Timeout in client

[gnodet]

The client sometimes assumes that the daemon has died because of the elapsed time between messages, while messages have been received after the last keep alive.

16:02:14.715 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-ses', message='[INFO] Generated components containing 1 Camel component: aws2-ses'}
16:02:14.715 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sns', message='[INFO] Changes detected - recompiling the module!'}
16:02:14.718 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sns', message='[INFO] Compiling 21 source files to /Users/gnodet/work/git/camel/components/camel-aws/camel-aws2-sns/target/classes'}
16:02:14.725 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-ses', message='[INFO] Validation complete'}
16:02:14.737 I Dispatch message: MojoStarted{artifactId='camel-aws2-ses', pluginGroupId='org.apache.maven.plugins', pluginArtifactId='maven-compiler-plugin', pluginVersion='3.10.1', mojo='compile', executionId='recompile'}
16:02:14.737 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-ses', message='[INFO] '}
16:02:14.737 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-ses', message='[INFO] --- maven-compiler-plugin:3.10.1:compile (recompile) @ camel-aws2-ses ---'}
16:02:14.838 I Dispatch message: KeepAlive
16:02:14.908 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-ses', message='[INFO] Changes detected - recompiling the module!'}
16:02:14.911 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-ses', message='[INFO] Compiling 13 source files to /Users/gnodet/work/git/camel/components/camel-aws/camel-aws2-ses/target/classes'}
16:02:15.012 I Dispatch message: KeepAlive
16:02:15.112 I Dispatch message: KeepAlive
16:02:15.212 I Dispatch message: KeepAlive
16:02:15.312 I Dispatch message: KeepAlive
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16:02:16.919 I Dispatch message: KeepAlive
16:02:17.020 I Dispatch message: KeepAlive
16:02:17.120 I Dispatch message: KeepAlive
16:02:17.132 D Expiration check running
16:02:17.221 I Dispatch message: KeepAlive
16:02:17.321 I Dispatch message: KeepAlive
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16:02:21.040 I Dispatch message: KeepAlive
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16:02:21.846 I Dispatch message: KeepAlive
16:02:21.946 I Dispatch message: KeepAlive
16:02:25.058 I Dispatch message: KeepAlive
16:02:25.067 I Dispatch message: MojoStarted{artifactId='camel-aws2-sts', pluginGroupId='org.apache.maven.plugins', pluginArtifactId='maven-resources-plugin', pluginVersion='3.2.0', mojo='testResources', executionId='default-testResources'}
16:02:25.067 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] '}
16:02:25.067 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] --- maven-resources-plugin:3.2.0:testResources (default-testResources) @ camel-aws2-sts ---'}
16:02:25.072 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] Using 'UTF-8' encoding to copy filtered resources.'}
16:02:25.073 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] Using 'UTF-8' encoding to copy filtered properties files.'}
16:02:25.075 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] Copying 2 resources'}
16:02:25.083 I Dispatch message: MojoStarted{artifactId='camel-aws2-sts', pluginGroupId='org.apache.maven.plugins', pluginArtifactId='maven-compiler-plugin', pluginVersion='3.10.1', mojo='testCompile', executionId='default-testCompile'}
16:02:25.083 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] '}
16:02:25.083 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] --- maven-compiler-plugin:3.10.1:testCompile (default-testCompile) @ camel-aws2-sts ---'}
16:02:25.091 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] Changes detected - recompiling the module!'}
16:02:25.092 I Dispatch message: ProjectLogMessage{projectId='camel-aws2-sts', message='[INFO] Compiling 11 source files to /Users/gnodet/work/git/camel/components/camel-aws/camel-aws2-sts/target/test-classes'}
16:02:25.192 I Dispatch message: KeepAlive
16:02:25.293 I Dispatch message: KeepAlive
16:02:25.393 I Dispatch message: KeepAlive
16:02:25.494 I Dispatch message: KeepAlive
----- End of the daemon log file -----
  output: /Users/gnodet/.m2/mvnd/registry/0.8.2/daemon-d723426a.out.log
----- Last  200 lines from daemon output - /Users/gnodet/.m2/mvnd/registry/0.8.2/daemon-d723426a.out.log -----
NOTE: Picked up JDK_JAVA_OPTIONS: --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/sun.net.www.protocol.jar=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED
----- End of the daemon output -----

	at org.mvndaemon.mvnd.client.DaemonClientConnection.receive(DaemonClientConnection.java:129)
	at org.mvndaemon.mvnd.client.DefaultClient.execute(DefaultClient.java:334)
	at org.mvndaemon.mvnd.client.DefaultClient.main(DefaultClient.java:144)
Caused by: java.io.IOException: No message received within 3000ms, daemon may have crashed. You may want to check its status using mvnd --status
	at org.mvndaemon.mvnd.client.DaemonClientConnection.receive(DaemonClientConnection.java:111)
	... 2 more

[gnodet]

It may just be a coincidence that two keep alive messages have more than 3 seconds between them, but we need to investigate that it does not cause the failure.

16:02:21.946 I Dispatch message: KeepAlive
16:02:25.058 I Dispatch message: KeepAlive

[gnodet]

I don't really see how there could be a delay, so in my example, there must be another gap between the last message and the exception (on which there's no timestamp).

[ahmsay]

We have the same error in our project too. Fails in the Jenkins environment. It seems that the daemon really dies, that's why we get that error.

When running mvnd --status there is no daemon listed. Shouldn't they be idle?

[walnut-tom]

i'm too

Exception in thread "main" org.mvndaemon.mvnd.common.DaemonException$StaleAddressException: Could not receive a message from the daemon.
Daemon id: 95910015
log file: /root/.m2/mvnd/registry/0.9.0/daemon-95910015.log
----- Last 200 lines from daemon log file - /root/.m2/mvnd/registry/0.9.0/daemon-95910015.log -----
14:01:40.296 I Dispatch message: KeepAlive
14:01:40.397 I Dispatch message: KeepAlive
14:01:40.497 I Dispatch message: KeepAlive
14:01:40.598 I Dispatch message: KeepAlive
14:01:40.789 I Dispatch message: KeepAlive
14:01:40.889 I Dispatch message: KeepAlive
14:01:40.990 I Dispatch message: KeepAlive
14:01:41.090 I Dispatch message: KeepAlive
14:01:41.191 I Dispatch message: KeepAlive
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14:01:41.392 I Dispatch message: KeepAlive
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14:01:41.693 I Dispatch message: KeepAlive
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14:01:41.894 I Dispatch message: KeepAlive
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14:01:42.396 I Dispatch message: KeepAlive
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14:01:47.791 I Dispatch message: KeepAlive
14:01:47.892 I Dispatch message: KeepAlive
14:01:47.992 I Dispatch message: KeepAlive
14:01:48.017 D Expiration check running
14:01:48.224 I Dispatch message: KeepAlive
14:01:48.324 I Dispatch message: KeepAlive
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14:01:57.486 I Dispatch message: KeepAlive
14:01:57.586 I Dispatch message: KeepAlive
14:01:57.687 I Dispatch message: KeepAlive
14:01:57.787 I Dispatch message: KeepAlive
14:01:57.888 I Dispatch message: KeepAlive
14:01:57.988 I Dispatch message: KeepAlive
14:01:58.017 D Expiration check running
14:01:58.089 I Dispatch message: KeepAlive
14:01:58.189 I Dispatch message: KeepAlive
14:01:58.289 I Dispatch message: KeepAlive
14:01:58.390 I Dispatch message: KeepAlive
14:01:58.490 I Dispatch message: KeepAlive
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14:02:00.154 I Dispatch message: KeepAlive
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14:02:01.359 I Dispatch message: KeepAlive
----- End of the daemon log file -----
output: /root/.m2/mvnd/registry/0.9.0/daemon-95910015.out.log
----- Last 200 lines from daemon output - /root/.m2/mvnd/registry/0.9.0/daemon-95910015.out.log -----
Starting daemon process: id = 95910015, workingDir = /opt/data/builder/workspace/dev/PFB73TTFDM/xxx, daemonArgs: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.362.b08-3.el9.x86_64/bin/java -classpath /usr/share/maven-mvnd-0.9.0-linux-amd64/lib/mvnd-common-0.9.0.jar:/usr/share/maven-mvnd-0.9.0-linux-amd64/lib/mvnd-agent-0.9.0.jar -javaagent:/usr/share/maven-mvnd-0.9.0-linux-amd64/lib/mvnd-agent-0.9.0.jar -Xmx2048m -Xms1024m -Djava.awt.headless=true -DtarLongFileMode=gnu -Dmvnd.home=/usr/share/maven-mvnd-0.9.0-linux-amd64 -Dmaven.home=/usr/share/maven-mvnd-0.9.0-linux-amd64 -Dmaven.conf=/usr/share/maven-mvnd-0.9.0-linux-amd64/conf -Dmvnd.java.home=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.362.b08-3.el9.x86_64 -Dlogback.configurationFile=/usr/share/maven-mvnd-0.9.0-linux-amd64/conf/logging/logback-mvnd.xml -Dmvnd.id=95910015 -Dmvnd.daemonStorage=/root/.m2/mvnd/registry/0.9.0 -Dmvnd.registry=/root/.m2/mvnd/registry/0.9.0/registry.bin -Dmvnd.socketFamily=inet -Dmvnd.home=/usr/share/maven-mvnd-0.9.0-linux-amd64 -Djdk.java.options=--add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/sun.net.www.protocol.jar=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Dmvnd.noDaemon=false -Dmvnd.debug=false -Dmvnd.debug.address=8000 -Dmvnd.idleTimeout=3h -Dmvnd.keepAlive=100ms -Dmvnd.extClasspath= -Dmvnd.coreExtensions= -Dmvnd.jvmArgs=-Xmx2048m -Xms1024m -Djava.awt.headless=true -DtarLongFileMode=gnu -Dmvnd.enableAssertions=false -Dmvnd.expirationCheckDelay=10s -Dmvnd.duplicateDaemonGracePeriod=10s -Dmvnd.socketFamily=inet org.mvndaemon.mvnd.common.MavenDaemon
----- End of the daemon output -----

at org.mvndaemon.mvnd.client.DaemonClientConnection.receive(DaemonClientConnection.java:138)
at org.mvndaemon.mvnd.client.DefaultClient.execute(DefaultClient.java:353)
at org.mvndaemon.mvnd.client.DefaultClient.main(DefaultClient.java:153)

Caused by: java.io.IOException: No message received within 3000ms, daemon may have crashed. You may want to check its status using mvnd --status
at org.mvndaemon.mvnd.client.DaemonClientConnection.receive(DaemonClientConnection.java:119)
... 2 more