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The tomcat webserver running the Process Administrator is consuming a high amount of CPU (Doc ID 1369888.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Business Process Management Suite - Version 10.3.1 and later
Information in this document applies to any platform.
***Checked for relevance on 21-June-2013***

Symptoms

The tomcat web server running the Process Administrator may be consuming a high amount of CPU. If you check the full thread dump you may see threads that look like this:




3XMTHREADINFO "http-8686-Processor80" (TID:0x39664A00, sys_thread_t:0x395F8C60, state:R, native ID:0x00096079) prio=5
4XESTACKTRACE at java/net/SocketOutputStream.socketWrite0(Native Method)
4XESTACKTRACE at java/net/SocketOutputStream.socketWrite(SocketOutputStream.java:105(Compiled Code))
4XESTACKTRACE at java/net/SocketOutputStream.write(SocketOutputStream.java:149(Compiled Code))
4XESTACKTRACE at org/apache/coyote/http11/InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:746(Compiled Code))
4XESTACKTRACE at org/apache/tomcat/util/buf/ByteChunk.flushBuffer(ByteChunk.java:433(Compiled Code))
4XESTACKTRACE at org/apache/tomcat/util/buf/ByteChunk.append(ByteChunk.java:324(Compiled Code))
4XESTACKTRACE at org/apache/coyote/http11/InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:769(Compiled Code))
4XESTACKTRACE at org/apache/coyote/http11/filters/ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:118(Compiled Code))
4XESTACKTRACE at org/apache/coyote/http11/InternalOutputBuffer.doWrite(InternalOutputBuffer.java:579(Compiled Code))
4XESTACKTRACE at org/apache/coyote/Response.doWrite(Response.java:555(Compiled Code))
4XESTACKTRACE at org/apache/catalina/connector/OutputBuffer.realWriteBytes(OutputBuffer.java:353(Compiled Code))
4XESTACKTRACE at org/apache/tomcat/util/buf/ByteChunk.flushBuffer(ByteChunk.java:433(Compiled Code))
4XESTACKTRACE at org/apache/tomcat/util/buf/ByteChunk.append(ByteChunk.java:324(Compiled Code))
4XESTACKTRACE at org/apache/catalina/connector/OutputBuffer.writeBytes(OutputBuffer.java:392(Compiled Code))
4XESTACKTRACE at org/apache/catalina/connector/OutputBuffer.write(OutputBuffer.java:381(Compiled Code))
4XESTACKTRACE at org/apache/catalina/connector/CoyoteOutputStream.write(CoyoteOutputStream.java:88(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1777(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream$BlockDataOutputStream.writeBytes(ObjectOutputStream.java:1885(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream$BlockDataOutputStream.writeUTF(ObjectOutputStream.java:2068(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream.writeString(ObjectOutputStream.java:1268(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream.writeObject0(ObjectOutputStream.java:1105(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1467(Compiled Code))
4XESTACKTRACE at java/io/ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:414(Compiled Code))
4XESTACKTRACE at fuego/log/LogItem.writeObject(LogItem.java:393(Compiled Code)

)

Cause

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In this Document
Symptoms
Cause
Solution


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