Bharat Viswanadham created HDDS-1407:
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Summary: Change Log Level to trace in NetUtils.java
Key: HDDS-1407
URL: https://issues.apache.org/jira/browse/HDDS-1407
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Bharat Viswanadham
When there is no String Constructor for the exception, we Log a Warn Message,
and rethrow the exception. We can change the Log level to TRACE/DEBUG.
{code:java}
private static <T extends IOException> T wrapWithMessage(
T exception, String msg) throws T {
Class<? extends Throwable> clazz = exception.getClass();
try {
Constructor<? extends Throwable> ctor = clazz.getConstructor(String.class);
Throwable t = ctor.newInstance(msg);
return (T)(t.initCause(exception));
} catch (Throwable e) {
LOG.warn("Unable to wrap exception of type {}: it has no (String) "
+ "constructor", clazz, e);
throw exception;
}
}{code}
{code:java}
2019-04-09 18:07:27,824 WARN ipc.Client
(Client.java:handleConnectionFailure(938)) - Interrupted while trying for
connection
2019-04-09 18:07:27,826 WARN net.NetUtils (NetUtils.java:wrapWithMessage(834))
- Unable to wrap exception of type class
java.nio.channels.ClosedByInterruptException: it has no (String) constructor
java.lang.NoSuchMethodException:
java.nio.channels.ClosedByInterruptException.<init>(java.lang.String)
at java.lang.Class.getConstructor0(Class.java:3082)
at java.lang.Class.getConstructor(Class.java:1825)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:830)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:806)
at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1515)
at org.apache.hadoop.ipc.Client.call(Client.java:1457)
at org.apache.hadoop.ipc.Client.call(Client.java:1367)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
at com.sun.proxy.$Proxy84.register(Unknown Source)
at
org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolClientSideTranslatorPB.register(StorageContainerDatanodeProtocolClientSideTranslatorPB.java:160)
at
org.apache.hadoop.ozone.container.common.states.endpoint.RegisterEndpointTask.call(RegisterEndpointTask.java:120)
at
org.apache.hadoop.ozone.container.common.states.endpoint.RegisterEndpointTask.call(RegisterEndpointTask.java:47)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
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:748){code}
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