The nodetool cleanup ran successfully after setting the CLASSPATH variable to the kubernetes-cassandra.jar.
Thanks. > On 09-Feb-2017, at 2:23 PM, Srinath Reddy <ksre...@gmail.com> wrote: > > Alex, > > Thanks for reply. I will try the workaround and post an update. > > Regards, > > Srinath Reddy > >> On 09-Feb-2017, at 1:44 PM, Oleksandr Shulgin <oleksandr.shul...@zalando.de >> <mailto:oleksandr.shul...@zalando.de>> wrote: >> >> On Thu, Feb 9, 2017 at 6:13 AM, Srinath Reddy <ksre...@gmail.com >> <mailto:ksre...@gmail.com>> wrote: >> Hi, >> >> Trying to re-balacne a Cassandra cluster after adding a new node and I'm >> getting this error when running nodetool cleanup. The Cassandra cluster is >> running in a Kubernetes cluster. >> >> Cassandra version is 2.2.8 >> >> nodetool cleanup >> error: io.k8s.cassandra.KubernetesSeedProvider >> Fatal configuration error; unable to start server. See log for stacktrace. >> -- StackTrace -- >> org.apache.cassandra.exceptions.ConfigurationException: >> io.k8s.cassandra.KubernetesSeedProvider >> Fatal configuration error; unable to start server. See log for stacktrace. >> at >> org.apache.cassandra.config.DatabaseDescriptor.applyConfig(DatabaseDescriptor.java:676) >> at >> org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:119) >> at org.apache.cassandra.tools.NodeProbe.checkJobs(NodeProbe.java:256) >> at >> org.apache.cassandra.tools.NodeProbe.forceKeyspaceCleanup(NodeProbe.java:262) >> at org.apache.cassandra.tools.nodetool.Cleanup.execute(Cleanup.java:55) >> at >> org.apache.cassandra.tools.NodeTool$NodeToolCmd.run(NodeTool.java:244) >> at org.apache.cassandra.tools.NodeTool.main(NodeTool.java:158) >> >> Hi, >> >> From the above stacktrace it looks like you're hitting the following TODO >> item: >> >> https://github.com/apache/cassandra/blob/98d74ed998706e9e047dc0f7886a1e9b18df3ce9/src/java/org/apache/cassandra/tools/NodeProbe.java#L282 >> >> <https://github.com/apache/cassandra/blob/98d74ed998706e9e047dc0f7886a1e9b18df3ce9/src/java/org/apache/cassandra/tools/NodeProbe.java#L282> >> >> That is, nodetool needs to know concurrent_compactors setting's value before >> starting cleanup, but doesn't use JMX and tries to parse the configuration >> file instead. That fails because your custom SeedProvider class is not on >> classpath for nodetool. >> >> A workaround: make sure io.k8s.cassandra.KubernetesSeedProvider can be found >> by java when running nodetool script, see >> https://github.com/apache/cassandra/blob/98d74ed998706e9e047dc0f7886a1e9b18df3ce9/bin/nodetool#L108 >> >> <https://github.com/apache/cassandra/blob/98d74ed998706e9e047dc0f7886a1e9b18df3ce9/bin/nodetool#L108> >> >> Proper fix: get rid of the TODO and really query the value using JMX, >> especially since the latest tick-tock release of Cassandra (3.10) added a >> way to modify it with JMX. >> >> -- >> Alex >
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