[FLINK-16014] S3 plugin ClassNotFoundException SAXParser

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.10.0, 1.11.0
• Fix Version/s: 1.10.1, 1.11.0
• Component/s: FileSystems
• Labels: pull-request-available
• Assignee: Arvid Heise
• Reporter: Arvid Heise
• Created: 12/Feb/20 09:50
• Updated: 08/Sep/21 08:18
• Resolved: 11/Mar/20 08:31

Description

While stress-testing s3 plugin on EMR.

 

org.apache.flink.util.FlinkRuntimeException: Could not perform checkpoint 2 for operator Map (114/160).
	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:839)
	at org.apache.flink.streaming.runtime.io.CheckpointBarrierHandler.notifyCheckpoint(CheckpointBarrierHandler.java:104)
	at org.apache.flink.streaming.runtime.io.CheckpointBarrierUnaligner.notifyBarrierReceived(CheckpointBarrierUnaligner.java:149)
	at org.apache.flink.streaming.runtime.io.InputProcessorUtil$1.lambda$notifyBarrierReceived$0(InputProcessorUtil.java:80)
	at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.run(StreamTaskActionExecutor.java:87)
	at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78)
	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:255)
	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:508)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:492)
	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:707)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:532)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: org.apache.hadoop.fs.s3a.AWSClientIOException: getFileStatus on s3://emr-unaligned-checkpoints-testing-eu-central-1/inflight/9ae223e41008b17568d7f63c12360268_output/part-file.-1: com.amazonaws.SdkClientException: Couldn't initialize a SAX driver to create an XMLReader: Couldn't initialize a SAX driver to create an XMLReader
	at org.apache.flink.runtime.io.network.BufferPersisterImpl$Writer.checkErroneousUnsafe(BufferPersisterImpl.java:262)
	at org.apache.flink.runtime.io.network.BufferPersisterImpl$Writer.add(BufferPersisterImpl.java:137)
	at org.apache.flink.runtime.io.network.BufferPersisterImpl.addBuffers(BufferPersisterImpl.java:66)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.prepareInflightDataSnapshot(StreamTask.java:935)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$performCheckpoint$5(StreamTask.java:898)
	at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:94)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:870)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:826)
	... 12 more
Caused by: org.apache.hadoop.fs.s3a.AWSClientIOException: getFileStatus on s3://emr-unaligned-checkpoints-testing-eu-central-1/inflight/9ae223e41008b17568d7f63c12360268_output/part-file.-1: com.amazonaws.SdkClientException: Couldn't initialize a SAX driver to create an XMLReader: Couldn't initialize a SAX driver to create an XMLReader
	at org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:177)
	at org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:145)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2251)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.innerGetFileStatus(S3AFileSystem.java:2149)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.getFileStatus(S3AFileSystem.java:2088)
	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1734)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.exists(S3AFileSystem.java:2970)
	at org.apache.flink.fs.s3hadoop.common.HadoopFileSystem.exists(HadoopFileSystem.java:152)
	at org.apache.flink.core.fs.PluginFileSystemFactory$ClassLoaderFixingFileSystem.exists(PluginFileSystemFactory.java:143)
	at org.apache.flink.core.fs.SafetyNetWrapperFileSystem.exists(SafetyNetWrapperFileSystem.java:102)
	at org.apache.flink.runtime.io.network.BufferPersisterImpl$Writer.get(BufferPersisterImpl.java:213)
	at org.apache.flink.runtime.io.network.BufferPersisterImpl$Writer.run(BufferPersisterImpl.java:167)
Caused by: com.amazonaws.SdkClientException: Couldn't initialize a SAX driver to create an XMLReader
	at com.amazonaws.services.s3.model.transform.XmlResponsesSaxParser.<init>(XmlResponsesSaxParser.java:118)
	at com.amazonaws.services.s3.model.transform.Unmarshallers$ListObjectsV2Unmarshaller.unmarshall(Unmarshallers.java:87)
	at com.amazonaws.services.s3.model.transform.Unmarshallers$ListObjectsV2Unmarshaller.unmarshall(Unmarshallers.java:77)
	at com.amazonaws.services.s3.internal.S3XmlResponseHandler.handle(S3XmlResponseHandler.java:62)
	at com.amazonaws.services.s3.internal.S3XmlResponseHandler.handle(S3XmlResponseHandler.java:31)
	at com.amazonaws.http.response.AwsResponseHandlerAdapter.handle(AwsResponseHandlerAdapter.java:70)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleResponse(AmazonHttpClient.java:1554)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1272)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1056)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:743)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:717)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
	at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4325)
	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4272)
	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4266)
	at com.amazonaws.services.s3.AmazonS3Client.listObjectsV2(AmazonS3Client.java:876)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.lambda$listObjects$5(S3AFileSystem.java:1262)
	at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:317)
	at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:280)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.listObjects(S3AFileSystem.java:1255)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2223)
	... 9 more
Caused by: org.xml.sax.SAXException: SAX2 driver class org.apache.xerces.parsers.SAXParser not found
java.lang.ClassNotFoundException: org.apache.xerces.parsers.SAXParser
	at org.xml.sax.helpers.XMLReaderFactory.loadClass(XMLReaderFactory.java:230)
	at org.xml.sax.helpers.XMLReaderFactory.createXMLReader(XMLReaderFactory.java:191)
	at com.amazonaws.services.s3.model.transform.XmlResponsesSaxParser.<init>(XmlResponsesSaxParser.java:115)
	... 32 more
Caused by: java.lang.ClassNotFoundException: org.apache.xerces.parsers.SAXParser
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at org.apache.flink.core.plugin.PluginLoader$PluginClassLoader.loadClass(PluginLoader.java:149)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.xml.sax.helpers.NewInstance.newInstance(NewInstance.java:82)
	at org.xml.sax.helpers.XMLReaderFactory.loadClass(XMLReaderFactory.java:228)
	... 34 more

Issue Links

• causes: FLINK-16550 HadoopS3* tests fail with NullPointerException exceptions
• causes: FLINK-24183 flink-s3-fs-base contains copied codes not listed in NOTICE file
• links to: GitHub Pull Request #11123