MatrixTable.filter_rows produces error for data on Secure Lustre

megamad · April 19, 2023, 11:30am

Hi forum,

We have a very specific and annoying error, so I have to start with the description of our setup.

We use Hail on a Spark cluster living on top of OpenStack VMs. Besides them we have a HPC cluster that works with Lustre file system where all our active data sit. Since we don’t want to copy data between HPC and OpenStack we have a neat solution to access Lustre from VMs that is called Secure Lustre. We use provided for each project boot image and network to create VMs. Thanks to Secure Lustre we have a specific share of Lustre mouted to /lustre in each VM created in a described way. As a result we don’t use HDFS at all.

Ok, to use lustre within Hail we need to prepend all paths with file:// as in

tmp_dir = "hdfs://spark-master:9820/"
sc = pyspark.SparkContext()
hl.init(sc=sc, tmp_dir=tmp_dir, default_reference="GRCh38")

fn = 'file:///lustre/path/to/data/dataset.mt'
mt = hl.read_matrix_table(fn)

So in our case every node tries to access their local storage but gets magically redirected to shared Lustre.

Everything works fine unless we try to filter rows by locus. For some reason this won’t work:

mt2 = mt.filter_rows(mt.locus.contig == 'chr1')
mt2.show()

mt2 = mt.filter_rows(mt.locus == hl.parse_locus('chr1:12284'))
mt2.show()

They produce a very long nasty error. Here is a part of it that I think makes sense:

...
File ~/venv/lib/python3.8/site-packages/py4j/java_gateway.py:1304, in JavaMember.__call__(self, *args)
   1298 command = proto.CALL_COMMAND_NAME +\
   1299     self.command_header +\
   1300     args_command +\
   1301     proto.END_COMMAND_PART
   1303 answer = self.gateway_client.send_command(command)
-> 1304 return_value = get_return_value(
   1305     answer, self.gateway_client, self.target_id, self.name)
   1307 for temp_arg in temp_args:
   1308     temp_arg._detach()


FatalError: RemoteException: File does not exist: /lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:86)
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:76)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:156)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2071)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:773)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:458)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:600)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:568)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:552)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1093)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1035)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:963)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1878)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2966)
...

Please note that the path to json in the error does not have file:// prefix. Indeed file
/lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz

does not exist (because this is a file on HDFS), but this file does exist
file:///lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz

Interestingly, these will work

mt2 = mt.filter_rows(hl.set([hl.parse_locus('chr1:12284')]).contains(mt.locus))
mt2.show()

mt = mt.annotate_globals(chromosome='chr1')
mt2 = mt.filter_rows(mt.locus.contig == mt.chromosome)
mt2.show()

As you see filtering by locus is a rain dance for us because we never know what will work and what will lead to File does not exist error.

I hope and suspect there is a bug in a MatrixTable.filter_rows function that omits file:// prefix in some cases.

We would be very gratefull if someone could find that bug or clarify the situation.

tpoterba · April 19, 2023, 1:20pm

Is there additional java stack trace you can share? I want to see where in the Hail backend this is coming from.

megamad · April 20, 2023, 9:16am

@tpoterba thank you for looking into this!

It is an insanely long error, and since I couldn’t find a way to attach a file, I post a link to Google Drive where you can find a full error message:

Here are just first 411 lines of the error message below:

FatalError                                Traceback (most recent call last)
File ~/venv/lib/python3.8/site-packages/IPython/core/formatters.py:706, in PlainTextFormatter.__call__(self, obj)
    699 stream = StringIO()
    700 printer = pretty.RepresentationPrinter(stream, self.verbose,
    701     self.max_width, self.newline,
    702     max_seq_length=self.max_seq_length,
    703     singleton_pprinters=self.singleton_printers,
    704     type_pprinters=self.type_printers,
    705     deferred_pprinters=self.deferred_printers)
--> 706 printer.pretty(obj)
    707 printer.flush()
    708 return stream.getvalue()

File ~/venv/lib/python3.8/site-packages/IPython/lib/pretty.py:410, in RepresentationPrinter.pretty(self, obj)
    407                         return meth(obj, self, cycle)
    408                 if cls is not object \
    409                         and callable(cls.__dict__.get('__repr__')):
--> 410                     return _repr_pprint(obj, self, cycle)
    412     return _default_pprint(obj, self, cycle)
    413 finally:

File ~/venv/lib/python3.8/site-packages/IPython/lib/pretty.py:778, in _repr_pprint(obj, p, cycle)
    776 """A pprint that just redirects to the normal repr function."""
    777 # Find newlines and replace them with p.break_()
--> 778 output = repr(obj)
    779 lines = output.splitlines()
    780 with p.group():

File ~/venv/lib/python3.8/site-packages/hail/matrixtable.py:2599, in MatrixTable._Show.__repr__(self)
   2598 def __repr__(self):
-> 2599     return self.__str__()

File ~/venv/lib/python3.8/site-packages/hail/matrixtable.py:2593, in MatrixTable._Show.__str__(self)
   2592 def __str__(self):
-> 2593     s = self.table_show.__str__()
   2594     if self.displayed_n_cols != self.actual_n_cols:
   2595         s += f"showing the first { self.displayed_n_cols } of { self.actual_n_cols } columns"

File ~/venv/lib/python3.8/site-packages/hail/table.py:1489, in Table._Show.__str__(self)
   1488 def __str__(self):
-> 1489     return self._ascii_str()

File ~/venv/lib/python3.8/site-packages/hail/table.py:1515, in Table._Show._ascii_str(self)
   1512         return s[:truncate - 3] + "..."
   1513     return s
-> 1515 rows, has_more, dtype = self.data()
   1516 fields = list(dtype)
   1517 trunc_fields = [trunc(f) for f in fields]

File ~/venv/lib/python3.8/site-packages/hail/table.py:1499, in Table._Show.data(self)
   1497     row_dtype = t.row.dtype
   1498     t = t.select(**{k: hl._showstr(v) for (k, v) in t.row.items()})
-> 1499     rows, has_more = t._take_n(self.n)
   1500     self._data = (rows, has_more, row_dtype)
   1501 return self._data

File ~/venv/lib/python3.8/site-packages/hail/table.py:1646, in Table._take_n(self, n)
   1644     has_more = False
   1645 else:
-> 1646     rows = self.take(n + 1)
   1647     has_more = len(rows) > n
   1648     rows = rows[:n]

File <decorator-gen-1094>:2, in take(self, n, _localize)

File ~/venv/lib/python3.8/site-packages/hail/typecheck/check.py:577, in _make_dec.<locals>.wrapper(__original_func, *args, **kwargs)
    574 @decorator
    575 def wrapper(__original_func, *args, **kwargs):
    576     args_, kwargs_ = check_all(__original_func, args, kwargs, checkers, is_method=is_method)
--> 577     return __original_func(*args_, **kwargs_)

File ~/venv/lib/python3.8/site-packages/hail/table.py:2319, in Table.take(self, n, _localize)
   2285 @typecheck_method(n=int, _localize=bool)
   2286 def take(self, n, _localize=True):
   2287     """Collect the first `n` rows of the table into a local list.
   2288
   2289     Examples
   (...)
   2316         List of row structs.
   2317     """
-> 2319     return self.head(n).collect(_localize)

File <decorator-gen-1088>:2, in collect(self, _localize, _timed)

File ~/venv/lib/python3.8/site-packages/hail/typecheck/check.py:577, in _make_dec.<locals>.wrapper(__original_func, *args, **kwargs)
    574 @decorator
    575 def wrapper(__original_func, *args, **kwargs):
    576     args_, kwargs_ = check_all(__original_func, args, kwargs, checkers, is_method=is_method)
--> 577     return __original_func(*args_, **kwargs_)

File ~/venv/lib/python3.8/site-packages/hail/table.py:2118, in Table.collect(self, _localize, _timed)
   2116 e = construct_expr(rows_ir, hl.tarray(t.row.dtype))
   2117 if _localize:
-> 2118     return Env.backend().execute(e._ir, timed=_timed)
   2119 else:
   2120     return e

File ~/venv/lib/python3.8/site-packages/hail/backend/py4j_backend.py:104, in Py4JBackend.execute(self, ir, timed)
    102     return (value, timings) if timed else value
    103 except FatalError as e:
--> 104     self._handle_fatal_error_from_backend(e, ir)

File ~/venv/lib/python3.8/site-packages/hail/backend/backend.py:181, in Backend._handle_fatal_error_from_backend(self, err, ir)
    179 error_sources = ir.base_search(lambda x: x._error_id == err._error_id)
    180 if len(error_sources) == 0:
--> 181     raise err
    183 better_stack_trace = error_sources[0]._stack_trace
    184 error_message = str(err)

File ~/venv/lib/python3.8/site-packages/hail/backend/py4j_backend.py:98, in Py4JBackend.execute(self, ir, timed)
     96 # print(self._hail_package.expr.ir.Pretty.apply(jir, True, -1))
     97 try:
---> 98     result_tuple = self._jbackend.executeEncode(jir, stream_codec, timed)
     99     (result, timings) = (result_tuple._1(), result_tuple._2())
    100     value = ir.typ._from_encoding(result)

File ~/venv/lib/python3.8/site-packages/py4j/java_gateway.py:1304, in JavaMember.__call__(self, *args)
   1298 command = proto.CALL_COMMAND_NAME +\
   1299     self.command_header +\
   1300     args_command +\
   1301     proto.END_COMMAND_PART
   1303 answer = self.gateway_client.send_command(command)
-> 1304 return_value = get_return_value(
   1305     answer, self.gateway_client, self.target_id, self.name)
   1307 for temp_arg in temp_args:
   1308     temp_arg._detach()

File ~/venv/lib/python3.8/site-packages/hail/backend/py4j_backend.py:31, in handle_java_exception.<locals>.deco(*args, **kwargs)
     29     tpl = Env.jutils().handleForPython(e.java_exception)
     30     deepest, full, error_id = tpl._1(), tpl._2(), tpl._3()
---> 31     raise fatal_error_from_java_error_triplet(deepest, full, error_id) from None
     32 except pyspark.sql.utils.CapturedException as e:
     33     raise FatalError('%s\n\nJava stack trace:\n%s\n'
     34                      'Hail version: %s\n'
     35                      'Error summary: %s' % (e.desc, e.stackTrace, hail.__version__, e.desc)) from None

FatalError: RemoteException: File does not exist: /lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:86)
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:76)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:156)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2071)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:773)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:458)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:600)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:568)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:552)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1093)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1035)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:963)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1878)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2966)


Java stack trace:
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 14.0 failed 4 times, most recent failure: Lost task 0.3 in stage 14.0 (TID 27341) (192.168.252.189 executor 33): java.io.FileNotFoundException: File does not exist: /lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:86)
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:76)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:156)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2071)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:773)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:458)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:600)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:568)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:552)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1093)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1035)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:963)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1878)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2966)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:121)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:88)
	at org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:894)
	at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:881)
	at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:870)
	at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1038)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:339)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:335)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:352)
	at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:976)
	at is.hail.io.fs.HadoopFS.openNoCompression(HadoopFS.scala:91)
	at is.hail.io.fs.FS.open(FS.scala:354)
	at is.hail.io.fs.FS.open$(FS.scala:353)
	at is.hail.io.fs.HadoopFS.open(HadoopFS.scala:72)
	at is.hail.io.fs.FS.open(FS.scala:366)
	at is.hail.io.fs.FS.open$(FS.scala:365)
	at is.hail.io.fs.HadoopFS.open(HadoopFS.scala:72)
	at is.hail.io.fs.FS.open(FS.scala:363)
	at is.hail.io.fs.FS.open$(FS.scala:362)
	at is.hail.io.fs.HadoopFS.open(HadoopFS.scala:72)
	at is.hail.io.index.IndexReader$.readUntyped(IndexReader.scala:43)
	at __C179collect_distributed_array_table_head_recursive_count.__m198split_StreamLen(Unknown Source)
	at __C179collect_distributed_array_table_head_recursive_count.apply(Unknown Source)
	at __C179collect_distributed_array_table_head_recursive_count.apply(Unknown Source)
	at is.hail.backend.BackendUtils.$anonfun$collectDArray$4(BackendUtils.scala:48)
	at is.hail.utils.package$.using(package.scala:635)
	at is.hail.annotations.RegionPool.scopedRegion(RegionPool.scala:162)
	at is.hail.backend.BackendUtils.$anonfun$collectDArray$3(BackendUtils.scala:47)
	at is.hail.backend.spark.SparkBackendComputeRDD.compute(SparkBackend.scala:799)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
	at org.apache.spark.scheduler.Task.run(Task.scala:131)
	at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:498)
	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:501)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): File does not exist: /lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:86)
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:76)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:156)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2071)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:773)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:458)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:600)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:568)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:552)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1093)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1035)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:963)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1878)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2966)

	at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1573)
	at org.apache.hadoop.ipc.Client.call(Client.java:1519)
	at org.apache.hadoop.ipc.Client.call(Client.java:1416)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:242)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:129)
	at com.sun.proxy.$Proxy19.getBlockLocations(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getBlockLocations(ClientNamenodeProtocolTranslatorPB.java:333)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
	at com.sun.proxy.$Proxy20.getBlockLocations(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:892)
	... 37 more

Driver stacktrace:
	at org.apache.spark.scheduler.DAGScheduler.failJobAndIndependentStages(DAGScheduler.scala:2303)
	at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2(DAGScheduler.scala:2252)
	at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2$adapted(DAGScheduler.scala:2251)
	at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
	at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)
	at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:2251)
	at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1(DAGScheduler.scala:1124)
	at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1$adapted(DAGScheduler.scala:1124)
	at scala.Option.foreach(Option.scala:407)
	at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:1124)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2490)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2432)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2421)
	at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49)
	at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:902)
	at org.apache.spark.SparkContext.runJob(SparkContext.scala:2196)
	at org.apache.spark.SparkContext.runJob(SparkContext.scala:2217)
	at org.apache.spark.SparkContext.runJob(SparkContext.scala:2236)
	at org.apache.spark.SparkContext.runJob(SparkContext.scala:2261)
	at org.apache.spark.rdd.RDD.$anonfun$collect$1(RDD.scala:1030)
	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
	at org.apache.spark.rdd.RDD.withScope(RDD.scala:414)
	at org.apache.spark.rdd.RDD.collect(RDD.scala:1029)
	at is.hail.backend.spark.SparkBackend.parallelizeAndComputeWithIndex(SparkBackend.scala:355)
	at is.hail.backend.BackendUtils.collectDArray(BackendUtils.scala:43)
	at __C126Compiled.__m163split_TailLoop_region4_7(Emit.scala)
	at __C126Compiled.__m163split_TailLoop(Emit.scala)
	at __C126Compiled.__m127split_ToArray(Emit.scala)
	at __C126Compiled.apply(Emit.scala)
	at is.hail.expr.ir.CompileAndEvaluate$.$anonfun$_apply$6(CompileAndEvaluate.scala:68)
	at scala.runtime.java8.JFunction0$mcJ$sp.apply(JFunction0$mcJ$sp.java:23)
	at is.hail.utils.ExecutionTimer.time(ExecutionTimer.scala:81)
	at is.hail.expr.ir.CompileAndEvaluate$._apply(CompileAndEvaluate.scala:68)
	at is.hail.expr.ir.CompileAndEvaluate$.$anonfun$apply$1(CompileAndEvaluate.scala:19)
	at is.hail.utils.ExecutionTimer.time(ExecutionTimer.scala:81)
	at is.hail.expr.ir.CompileAndEvaluate$.apply(CompileAndEvaluate.scala:19)
	at is.hail.expr.ir.lowering.LowerTableIR$.applyTable(LowerTableIR.scala:1093)
	at is.hail.expr.ir.lowering.LowerTableIR$.lower$2(LowerTableIR.scala:731)
	at is.hail.expr.ir.lowering.LowerTableIR$.applyTable(LowerTableIR.scala:1216)
	at is.hail.expr.ir.lowering.LowerTableIR$.lower$1(LowerTableIR.scala:493)
	at is.hail.expr.ir.lowering.LowerTableIR$.apply(LowerTableIR.scala:572)
	at is.hail.expr.ir.lowering.LowerToCDA$.lower(LowerToCDA.scala:73)
	at is.hail.expr.ir.lowering.LowerToCDA$.apply(LowerToCDA.scala:18)
	at is.hail.expr.ir.lowering.LowerToDistributedArrayPass.transform(LoweringPass.scala:77)
	at is.hail.expr.ir.LowerOrInterpretNonCompilable$.evaluate$1(LowerOrInterpretNonCompilable.scala:27)
	at is.hail.expr.ir.LowerOrInterpretNonCompilable$.rewrite$1(LowerOrInterpretNonCompilable.scala:67)
	at is.hail.expr.ir.LowerOrInterpretNonCompilable$.rewrite$1(LowerOrInterpretNonCompilable.scala:53)
	at is.hail.expr.ir.LowerOrInterpretNonCompilable$.apply(LowerOrInterpretNonCompilable.scala:72)
	at is.hail.expr.ir.lowering.LowerOrInterpretNonCompilablePass$.transform(LoweringPass.scala:69)
	at is.hail.expr.ir.lowering.LoweringPass.$anonfun$apply$3(LoweringPass.scala:16)
	at is.hail.utils.ExecutionTimer.time(ExecutionTimer.scala:81)
	at is.hail.expr.ir.lowering.LoweringPass.$anonfun$apply$1(LoweringPass.scala:16)
	at is.hail.utils.ExecutionTimer.time(ExecutionTimer.scala:81)
	at is.hail.expr.ir.lowering.LoweringPass.apply(LoweringPass.scala:14)
	at is.hail.expr.ir.lowering.LoweringPass.apply$(LoweringPass.scala:13)
	at is.hail.expr.ir.lowering.LowerOrInterpretNonCompilablePass$.apply(LoweringPass.scala:64)
	at is.hail.expr.ir.lowering.LoweringPipeline.$anonfun$apply$1(LoweringPipeline.scala:15)
	at is.hail.expr.ir.lowering.LoweringPipeline.$anonfun$apply$1$adapted(LoweringPipeline.scala:13)
	at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36)
	at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:33)
	at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:38)
	at is.hail.expr.ir.lowering.LoweringPipeline.apply(LoweringPipeline.scala:13)
	at is.hail.expr.ir.CompileAndEvaluate$._apply(CompileAndEvaluate.scala:47)
	at is.hail.backend.spark.SparkBackend._execute(SparkBackend.scala:450)
	at is.hail.backend.spark.SparkBackend.$anonfun$executeEncode$2(SparkBackend.scala:486)
	at is.hail.backend.ExecuteContext$.$anonfun$scoped$3(ExecuteContext.scala:70)
	at is.hail.utils.package$.using(package.scala:635)
	at is.hail.backend.ExecuteContext$.$anonfun$scoped$2(ExecuteContext.scala:70)
	at is.hail.utils.package$.using(package.scala:635)
	at is.hail.annotations.RegionPool$.scoped(RegionPool.scala:17)
	at is.hail.backend.ExecuteContext$.scoped(ExecuteContext.scala:59)
	at is.hail.backend.spark.SparkBackend.withExecuteContext(SparkBackend.scala:339)
	at is.hail.backend.spark.SparkBackend.$anonfun$executeEncode$1(SparkBackend.scala:483)
	at is.hail.utils.ExecutionTimer$.time(ExecutionTimer.scala:52)
	at is.hail.backend.spark.SparkBackend.executeEncode(SparkBackend.scala:482)
	at sun.reflect.GeneratedMethodAccessor45.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
	at py4j.Gateway.invoke(Gateway.java:282)
	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
	at py4j.commands.CallCommand.execute(CallCommand.java:79)
	at py4j.GatewayConnection.run(GatewayConnection.java:238)
	at java.lang.Thread.run(Thread.java:750)

java.io.FileNotFoundException: File does not exist: /lustre/path/to/data/dataset.mt/index/part-00000-0f98f82e-3293-40fd-8fb4-d41990c8ac58.idx/metadata.json.gz
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:86)
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:76)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:156)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2071)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:773)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:458)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:600)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:568)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:552)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1093)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1035)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:963)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1878)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2966)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:121)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:88)
	at org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:894)
	at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:881)
	at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:870)
	at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1038)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:339)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:335)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:352)
	at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:976)
	at is.hail.io.fs.HadoopFS.openNoCompression(HadoopFS.scala:91)
	at is.hail.io.fs.FS.open(FS.scala:354)
	at is.hail.io.fs.FS.open$(FS.scala:353)
	at is.hail.io.fs.HadoopFS.open(HadoopFS.scala:72)
	at is.hail.io.fs.FS.open(FS.scala:366)
	at is.hail.io.fs.FS.open$(FS.scala:365)
	at is.hail.io.fs.HadoopFS.open(HadoopFS.scala:72)
	at is.hail.io.fs.FS.open(FS.scala:363)
	at is.hail.io.fs.FS.open$(FS.scala:362)
	at is.hail.io.fs.HadoopFS.open(HadoopFS.scala:72)
	at is.hail.io.index.IndexReader$.readUntyped(IndexReader.scala:43)
	at __C179collect_distributed_array_table_head_recursive_count.__m198split_StreamLen(Unknown Source)
	at __C179collect_distributed_array_table_head_recursive_count.apply(Unknown Source)
	at __C179collect_distributed_array_table_head_recursive_count.apply(Unknown Source)
	at is.hail.backend.BackendUtils.$anonfun$collectDArray$4(BackendUtils.scala:48)
	at is.hail.utils.package$.using(package.scala:635)
	at is.hail.annotations.RegionPool.scopedRegion(RegionPool.scala:162)
	at is.hail.backend.BackendUtils.$anonfun$collectDArray$3(BackendUtils.scala:47)
	at is.hail.backend.spark.SparkBackendComputeRDD.compute(SparkBackend.scala:799)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
	at org.apache.spark.scheduler.Task.run(Task.scala:131)
	at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:498)
	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:501)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)

danking · November 9, 2023, 6:05pm

Hey @megamad ,

Apologies that this got dropped. I’ve created a GitHub issue to track the bug [query] hail does not preserve schemes on URLs when using the HadoopFS in the SparkBackend · Issue #13998 · hail-is/hail · GitHub . I suspect there’s a simple fix.

danking · December 18, 2023, 7:03pm

A fix has been merged, once 0.2.127 is released, I’ll let you know.

danking · January 12, 2024, 6:29pm

This is hopefully fixed and released in 0.2.127. Hail | Change Log And Version Policy

megamad · March 11, 2024, 3:28pm

Hi @danking !

Thank you so much for this fix.
I’ve just checked it on a fresh Hail 0.2.127 cluster, and everything works like a charm. I no longer get File does not exist error when doing previously described filters.

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MatrixTable.filter_rows produces error for data on Secure Lustre

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