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Posted to issues@geode.apache.org by "Barbara Pruijn (JIRA)" <ji...@apache.org> on 2018/02/27 23:59:00 UTC
[jira] [Resolved] (GEODE-1842) Execution of query from GFSH or
Pulse may kill a Server with StackOverflowError
[ https://issues.apache.org/jira/browse/GEODE-1842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Barbara Pruijn resolved GEODE-1842.
-----------------------------------
Resolution: Won't Do
> Execution of query from GFSH or Pulse may kill a Server with StackOverflowError
> -------------------------------------------------------------------------------
>
> Key: GEODE-1842
> URL: https://issues.apache.org/jira/browse/GEODE-1842
> Project: Geode
> Issue Type: Bug
> Components: gfsh, pulse
> Reporter: Kirk Lund
> Priority: Critical
> Labels: StackOverflowError, gfsh, json
>
> TypedJson is prone to StackOverflowErrors which results in SystemFailure shutdown of any Geode server that hits this problem. Below is the latest error stack reported against TypedJson:
> {noformat}
> java.lang.StackOverflowError
> at java.lang.Class.getEnclosingMethodInfo(Class.java:1072)
> at java.lang.Class.getEnclosingClass(Class.java:1272)
> at java.lang.Class.getSimpleBinaryName(Class.java:1443)
> at java.lang.Class.getSimpleName(Class.java:1309)
> at java.lang.Class.getCanonicalName(Class.java:1399)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.internalToExternal(TypedJson.java:626)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeType(TypedJson.java:610)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeKeyValue(TypedJson.java:345)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.visitSpecialObjects(TypedJson.java:517)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeKeyValue(TypedJson.java:353)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.visitChildrens(TypedJson.java:670)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.addVal(TypedJson.java:323)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeVal(TypedJson.java:314)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeKeyValue(TypedJson.java:357)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.visitChildrens(TypedJson.java:670)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.addVal(TypedJson.java:323)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeVal(TypedJson.java:314)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeKeyValue(TypedJson.java:357)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.visitSpecialObjects(TypedJson.java:517)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeKeyValue(TypedJson.java:353)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.visitChildrens(TypedJson.java:670)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.addVal(TypedJson.java:323)
> at com.gemstone.gemfire.management.internal.cli.json.TypedJson.writeVal(TypedJson.java:314)
> {noformat}
> QueryDataFunction uses TypedJson to serialize query results into JSON to return to GFSH or Pulse. Rather than maintain a broken custom JSON parser, we should replace TypedJson with Jackson.
> This example will go into infinite recursion until it produces a StackOverflowError:
> {noformat}
> public class Root {
> public Root getRoot() {
> return this;
> }
> public Child getChild() { // getter that returns unique instances
> return new Child();
> }
> }
> public class Child {
> public Child getChild() {
> return this;
> }
> }
> {noformat}
> This example will go into an infinite loop until it produces OutOfMemoryError:
> {noformat}
> public class Replicator {
> public Replicator getReplicator() { // getter that returns unique instances
> return new Replicator();
> }
> }
> {noformat}
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