The message is in WARN level and not in INFO or DEBUG level , so our log analysis tool considers this as an issue. Can the CLI print this message in INFO/DEBUG level?
-----Original Message----- From: Chesnay Schepler [mailto:[email protected]] Sent: Monday, September 3, 2018 6:32 PM To: Parth Sarathy <[email protected]>; [email protected] Subject: Re: Flink 1.5.2 query Cannot be avoided. The CLI eagerly loads client classes for yarn, which as see fails since the hadoop classes aren't available. If you don't use YARN you can safely ignore this. On 03.09.2018 14:37, Parth Sarathy wrote: > Hi, > When using flink 1.5.2, “Apache Flink Only” binary > (flink-1.5.2-bin-scala_2.11), following error is seen in client log: > > 2018-08-30 10:56:59.129 [main] WARN > org.apache.flink.client.cli.CliFrontend > - Could not load CLI class org.apache.flink.yarn.cli.FlinkYarnSessionCli. > java.lang.NoClassDefFoundError: > org/apache/hadoop/yarn/exceptions/YarnException > at java.lang.Class.forName0(Native Method) ~[na:1.8.0_171] > at java.lang.Class.forName(Class.java:264) ~[na:1.8.0_171] > at > org.apache.flink.client.cli.CliFrontend.loadCustomCommandLine(CliFront > end.java:1208) > [flink-dist_2.11-1.5.2.jar:1.5.2] > at > org.apache.flink.client.cli.CliFrontend.loadCustomCommandLines(CliFron > tend.java:1164) > [flink-dist_2.11-1.5.2.jar:1.5.2] > at > org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1090) > [flink-dist_2.11-1.5.2.jar:1.5.2] > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.yarn.exceptions.YarnException > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > ~[na:1.8.0_171] > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > ~[na:1.8.0_171] > at > sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) > ~[na:1.8.0_171] > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ~[na:1.8.0_171] > ... 5 common frames omitted > > There are no functional failures, but how to avoid this exception in log? > > Thanks, > Parth Sarathy > > > > > -- > Sent from: > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/ >
