[TEPHRA-221] If the invalid list is empty, we hit an ArrayIndexOutOfBoundsException when printing an info message

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.11.0-incubating
• Fix Version/s: 0.11.0-incubating
• Assignee: Poorna Chandra
• Reporter: Gokul Gunasekaran
• Created: 17/Feb/17 01:19
• Updated: 30/May/17 18:57
• Resolved: 30/May/17 18:57

Description

I see the following stack trace when the tx invalid list is empty.

2017-02-17 01:11:55,412 - ERROR [tephra-pruning-thread:o.a.t.t.TransactionPruningRunnable@121] - Got exception during invalid list prune run
java.lang.ArrayIndexOutOfBoundsException: 0
        at org.apache.tephra.txprune.TransactionPruningRunnable.run(TransactionPruningRunnable.java:96) ~[org.apache.tephra.tephra-core-0.11.0-incubating-SNAPSHOT.jar:0.11.0-incubating-SNAPSHOT]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_75]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) [na:1.7.0_75]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) [na:1.7.0_75]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.7.0_75]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]