Apache Pinot Daily Email Digest (2021-11-13)

Sat, 13 Nov 2021 18:00:31 -0800

#general


@sandeep.hadoopadmn: Hi Getting below error while I was starting broker or an controller ```[uname@adscjbhcsdc211 apache-pinot-0.8.0-bin]$ bin/pinot-admin.sh StartBroker -zkAddress localhost:2181 Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=org/apache/pinot/tools/admin/PinotAdministrator, offset=6 at java.lang.ClassLoader.defineClassImpl(Native Method) at java.lang.ClassLoader.defineClassInternal(ClassLoader.java:398) at java.lang.ClassLoader.defineClass(ClassLoader.java:359) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:154) at java.net.URLClassLoader.defineClass(URLClassLoader.java:730) at java.net.URLClassLoader.access$400(URLClassLoader.java:96) at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1187) at java.security.AccessController.doPrivileged(AccessController.java:770) at java.net.URLClassLoader.findClass(URLClassLoader.java:605) at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:944) at java.lang.ClassLoader.loadClass(ClassLoader.java:889) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:872) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:507)```
  @sandeep.hadoopadmn: java -version java version "1.8.0_251" Java(TM) SE Runtime Environment (build 8.0.6.10 - pxa6480sr6fp10-20200408_01(SR6 FP10)) IBM J9 VM (build 2.9, JRE 1.8.0 Linux amd64-64-Bit Compressed References 20200402_443261 (JIT enabled, AOT enabled) OpenJ9 - 35ef566 OMR - 4bca4f4 IBM - 55acf4a)
  @sandeep.hadoopadmn: I was following the same steps
  @xiangfu0: try out jdk 11
  @xiangfu0: from 0.8 pinot is built and released on jdk11
  @sandeep.hadoopadmn: it worked after upgrading java 11, thank you

#troubleshooting


@sandeep.hadoopadmn: Hi Team, What is best way running pinot services in the background? Like when server got rebooted, pinot services(controller,broker,zk) should start automatically.
  @sandeep.hadoopadmn: currently I am using nohup like nohup bin/pinot-admin.sh StartZookeeper & in the back ground with pid, is there best way doing this with systemctl enable service_name??
  @mayanks: K8s?

#pinot-dev


@xiangfu0: Just sent the email to for release candidate vote, please verify the RC and reply to the email for voting. ```Hi Pinot Community, This is a call for a vote to release Apache Pinot 0.9.0. The release candidate: Git tag for this release: Git hash for this release: cf8b84e8b0d6ab62374048de586ce7da21132906 The artifacts have been signed with the key: CDEDB21B862F6C66, which can be found in the following KEYS file. Release notes: Staging repository: Documentation on verifying a release candidate: The vote will be open for at least 72 hours or until a necessary number of votes is reached. Please vote accordingly, [ ] +1 approve [ ] +0 no opinion [ ] -1 disapprove with the reason Thanks, Apache Pinot team```
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