Jialin Qiao created IOTDB-2116:
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Summary: All client connections are stuck
Key: IOTDB-2116
URL: https://issues.apache.org/jira/browse/IOTDB-2116
Project: Apache IoTDB
Issue Type: Bug
Affects Versions: 0.12.3
Reporter: Jialin Qiao
Attachments: image-2021-12-05-21-10-20-218.png,
image-2021-12-05-21-11-52-899.png, image-2021-12-05-21-12-11-359.png, jstack.log
!image-2021-12-05-21-10-20-218.png!
jstack of IoTDB:
{code:java}
"pool-16-IoTDB-RPC-Client-44" #103 prio=5 os_prio=0 tid=0x0000000029c07800
nid=0x1bec runnable [0x00000000354be000]
java.lang.Thread.State: RUNNABLE
at java.io.FileOutputStream.writeBytes(Native Method)
at java.io.FileOutputStream.write(FileOutputStream.java:326)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
- locked <0x00000005c320d6c8> (a java.io.BufferedOutputStream)
at java.io.PrintStream.write(PrintStream.java:482)
- locked <0x00000005c320d6a8> (a java.io.PrintStream)
at java.io.FilterOutputStream.write(FilterOutputStream.java:97)
at
ch.qos.logback.core.joran.spi.ConsoleTarget$1.write(ConsoleTarget.java:37)
at
ch.qos.logback.core.OutputStreamAppender.writeBytes(OutputStreamAppender.java:199)
at
ch.qos.logback.core.OutputStreamAppender.subAppend(OutputStreamAppender.java:231)
at
ch.qos.logback.core.OutputStreamAppender.append(OutputStreamAppender.java:102)
at
ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(UnsynchronizedAppenderBase.java:84)
at
ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:51)
at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:270)
at ch.qos.logback.classic.Logger.callAppenders(Logger.java:257)
at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:421)
at ch.qos.logback.classic.Logger.filterAndLog_2(Logger.java:414)
at ch.qos.logback.classic.Logger.info(Logger.java:587)
at
org.apache.iotdb.db.service.TSServiceImpl.openSession(TSServiceImpl.java:250)
at
org.apache.iotdb.service.rpc.thrift.TSIService$Processor$openSession.getResult(TSIService.java:2323)
at
org.apache.iotdb.service.rpc.thrift.TSIService$Processor$openSession.getResult(TSIService.java:2303)
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38)
at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:38)
at
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:248)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748) Locked ownable synchronizers:
- <0x000000071b611f90> (a java.util.concurrent.ThreadPoolExecutor$Worker)
- <0x00000005c334c7a8> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync) {code}
This may be due to the Logger: https://jira.qos.ch/browse/LOGBACK-1422
!image-2021-12-05-21-11-52-899.png!
!image-2021-12-05-21-12-11-359.png!
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