[jira] [Created] (GEODE-6228) LSOF output causes out of memory exceptions in tests

[Kenneth Howe (JIRA)]

Kenneth Howe created GEODE-6228:
-----------------------------------

             Summary: LSOF output causes out of memory exceptions in tests
                 Key: GEODE-6228
                 URL: https://issues.apache.org/jira/browse/GEODE-6228
             Project: Geode
          Issue Type: Bug
          Components: gfsh
            Reporter: Kenneth Howe


Gfsh tests of {{netstat --with-lsof}} create a large String object that 
contains the complete output from {{lsof}}. On smaller JVM's that are typical 
of those used in CI test environment, the large object causes 
OutOfMemoryExceptions when preparing the string for streaming from the server 
to the locator.

We need to have a solution for streaming large Strings between members in the 
cluster.

Following is a typical stack trace from a test failure.

{code}
org.apache.geode.management.internal.cli.NetstatDUnitTest > 
testOutputToConsoleWithLsofForOneMember FAILED
        
    java.lang.OutOfMemoryError: Java heap space
        
        at java.util.Arrays.copyOf(Arrays.java:3332)
        
        at 
java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
        
        at 
java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:649)
        
        at java.lang.StringBuilder.append(StringBuilder.java:202)
        
        at org.json.JSONStringer.string(JSONStringer.java:369)
        
        at org.json.JSONStringer.value(JSONStringer.java:262)
        
        at org.json.JSONArray.writeTo(JSONArray.java:732)
        
        at org.json.JSONStringer.value(JSONStringer.java:231)
        
        at org.json.JSONObject.writeTo(JSONObject.java:882)
        
        at org.json.JSONStringer.value(JSONStringer.java:235)
        
        at org.json.JSONObject.writeTo(JSONObject.java:882)
        
        at org.json.JSONObject.toString(JSONObject.java:849)
        
        at 
org.apache.geode.management.internal.cli.json.GfJsonObject.toString(GfJsonObject.java:292)
        
        at java.lang.String.valueOf(String.java:2994)
        
        at java.lang.StringBuilder.append(StringBuilder.java:131)
        
        at 
org.apache.geode.management.internal.cli.result.LegacyCommandResult.toString(LegacyCommandResult.java:501)
        
        at 
org.apache.geode.management.internal.cli.NetstatDUnitTest.testOutputToConsoleWithLsofForOneMember(NetstatDUnitTest.java:111)
{code}



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