Yonghao Zou created HDFS-17562:
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Summary: NPE in ipc/Client.java
Key: HDFS-17562
URL: https://issues.apache.org/jira/browse/HDFS-17562
Project: Hadoop HDFS
Issue Type: Bug
Components: ipc
Affects Versions: 3.3.6, 3.3.4, 3.2.4
Reporter: Yonghao Zou
An NPE happened today that crashed datanodes.
{code:java}
2024-06-28 03:07:58,649 WARN org.apache.hadoop.hdfs.server.datanode.DataNode:
IOException in offerService java.io.IOException: DestHost:destPort
localhost:9000 , LocalHost:localPort e07ff098d9e2/172.17.0.4:0. Failed on local
exception: java.io.IOException: Error reading responses at
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method) at
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:842)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:817)
at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1616)
at org.apache.hadoop.ipc.Client.call(Client.java:1558) at
org.apache.hadoop.ipc.Client.call(Client.java:1455) at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:231)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
at com.sun.proxy.$Proxy19.sendHeartbeat(Unknown Source)
at
org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB.sendHeartbeat(DatanodeProtocolClientSideTranslatorPB.java:168)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:524)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:658)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:855)
at java.base/java.lang.Thread.run(Thread.java:829) Caused by:
java.io.IOException: Error reading responses at
org.apache.hadoop.ipc.Client$Connection.run(Client.java:1141) Caused by:
java.lang.NullPointerException at
org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse(Client.java:1252)
at org.apache.hadoop.ipc.Client$Connection.run(Client.java:1134) {code}
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