kezhenxu94 commented on issue #2838: Improve plugin performance and fix Nacos IT instability. fix #2837 URL: https://github.com/apache/skywalking/pull/2838#issuecomment-500176721 > @kezhenxu94 See this, https://travis-ci.org/apache/skywalking/builds/543132461 . > Look like nacos test is not stable, read log https://travis-ci.org/apache/skywalking/jobs/543132463 > > We need to figure some method or remove this test case somehow. The problem that Nacos starts timeout has been resolved because the database is not initialized properly, now the reason why it fails became stable: ```text [ERROR] Failed to execute goal org.apache.maven.plugins:maven-failsafe-plugin:2.22.0:verify (default) on project configuration-nacos: There are test failures. [ERROR] [ERROR] Please refer to /home/travis/build/apache/skywalking/oap-server/server-configuration/configuration-nacos/target/failsafe-reports for the individual test results. [ERROR] Please refer to dump files (if any exist) [date]-jvmRun[N].dump, [date].dumpstream and [date]-jvmRun[N].dumpstream. [ERROR] org.apache.maven.surefire.booter.SurefireBooterForkException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called? [ERROR] Command was /bin/sh -c cd /home/travis/build/apache/skywalking/oap-server/server-configuration/configuration-nacos && /usr/lib/jvm/java-8-oracle/jre/bin/java -javaagent:/home/travis/.m2/repository/org/jacoco/org.jacoco.agent/0.8.3/org.jacoco.agent-0.8.3-runtime.jar=destfile=/home/travis/build/apache/skywalking/oap-server/server-configuration/configuration-nacos/target/jacoco.exec -jar /home/travis/build/apache/skywalking/oap-server/server-configuration/configuration-nacos/target/surefire/surefirebooter4815176584272407938.jar /home/travis/build/apache/skywalking/oap-server/server-configuration/configuration-nacos/target/surefire 2019-06-08T16-52-43_685-jvmRun1 surefire9151435006599987077tmp surefire_13688043696340956275tmp [ERROR] Process Exit Code: 0 // more stack trace ... ``` After Googling for a while, I cannot figure out why it happens yet.
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