[
https://issues.apache.org/jira/browse/CALCITE-1885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16090373#comment-16090373
]
Julian Hyde commented on CALCITE-1885:
--------------------------------------
I don't quite understand what you are proposing. Can you create a pull request
so I can review?
> calcite code gen make many class in perm and it cant be gc
> -----------------------------------------------------------
>
> Key: CALCITE-1885
> URL: https://issues.apache.org/jira/browse/CALCITE-1885
> Project: Calcite
> Issue Type: Bug
> Reporter: yiming.xu
> Assignee: Julian Hyde
>
> calcite code gen make many class in perm and it cant be gc, how to unload
> that class, i need help ! thx!
> this is log for cluster env , i find it locked in classload and
> Class.forname01:
> java.lang.Thread.State: BLOCKED (on object monitor)
> at
> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
> - waiting to lock <0x0000000340001cf8> (a
> io.kyligence.kap.ext.CustomizedWebappClassloader)
> at
> io.kyligence.kap.ext.CustomizedWebappClassloader.loadClass(CustomizedWebappClassloader.java:76)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
> - locked <0x00000005f9805b18> (a
> org.codehaus.janino.ByteArrayClassLoader)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> at Baz.bind(Unknown Source)
> at
> org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:331)
> at
> org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:294)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl._createIterable(CalciteMetaImpl.java:553)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl.createIterable(CalciteMetaImpl.java:544)
> at
> org.apache.calcite.avatica.AvaticaResultSet.execute(AvaticaResultSet.java:193)
> at
> org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:67)
> at
> org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:44)
> java.lang.Thread.State: BLOCKED (on object monitor)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:348)
> at
> org.codehaus.janino.ClassLoaderIClassLoader.findIClass(ClassLoaderIClassLoader.java:78)
> at org.codehaus.janino.IClassLoader.loadIClass(IClassLoader.java:254)
> - locked <0x00000005e9802818> (a
> org.codehaus.janino.ClassLoaderIClassLoader)
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
