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Posted to issues@phoenix.apache.org by "Karan Mehta (JIRA)" <ji...@apache.org> on 2019/05/16 06:34:00 UTC

[jira] [Commented] (PHOENIX-5142) Protect against bad scan construction causing stack overflow

    [ https://issues.apache.org/jira/browse/PHOENIX-5142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16841026#comment-16841026 ] 

Karan Mehta commented on PHOENIX-5142:
--------------------------------------

Can you add an IT to reproduce this and understand it better?

 

> Protect against bad scan construction causing stack overflow
> ------------------------------------------------------------
>
>                 Key: PHOENIX-5142
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5142
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Daniel Wong
>            Priority: Minor
>
> During implementation changes I created an issue where a bad set of scans were generated.  These scans crossed region boundaries incorrectly.  This led Phoenix to believe the cache was out of date and triggered a retry attempt in a recursive manner until the stack overflowed.  We may want to protect against this type of failure by limiting the depth of the recursion and returning an exception to the user.
> {code:java}
> java.lang.StackOverflowError at java.security.AccessController.doPrivileged(Native Method) at java.io.PrintWriter.<init>(PrintWriter.java:116) at java.io.PrintWriter.<init>(PrintWriter.java:100) at org.apache.log4j.DefaultThrowableRenderer.render(DefaultThrowableRenderer.java:58) at org.apache.log4j.spi.ThrowableInformation.getThrowableStrRep(ThrowableInformation.java:87) at org.apache.log4j.spi.LoggingEvent.getThrowableStrRep(LoggingEvent.java:413) at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:313) at org.apache.log4j.WriterAppender.append(WriterAppender.java:162) at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66) at org.apache.log4j.Category.callAppenders(Category.java:206) at org.apache.log4j.Category.forcedLog(Category.java:391) at org.apache.log4j.Category.log(Category.java:856) at org.slf4j.impl.Log4jLoggerAdapter.info(Log4jLoggerAdapter.java:382) at org.apache.phoenix.iterate.BaseResultIterators.close(BaseResultIterators.java:1568) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:1475) at org.apache.phoenix.iterate.BaseResultIterators.recreateIterators(BaseResultIterators.java:1523) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:1441) at org.apache.phoenix.iterate.BaseResultIterators.recreateIterators(BaseResultIterators.java:1523) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:1441) at org.apache.phoenix.iterate.BaseResultIterators.recreateIterators(BaseResultIterators.java:1523) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:1441) at org.apache.phoenix.iterate.BaseResultIterators.recreateIterators(BaseResultIterators.java:1523) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:1441) at org.apache.phoenix.iterate.BaseResultIterators.recreateIterators(BaseResultIterators.java:1523) at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:1441)
> ....
> {code}



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