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

["Daniel Wong (JIRA)" <ji...@apache.org>]

Daniel Wong created PHOENIX-5142:
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             Summary: 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


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  This led Phoenix to believe the cache was out of date and triggered a retry attempt in a recursive manner until the stack overflowed.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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