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https://issues.apache.org/jira/browse/STORM-437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14109260#comment-14109260
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ASF GitHub Bot commented on STORM-437:
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Github user revans2 commented on the pull request:
https://github.com/apache/incubator-storm/pull/216#issuecomment-53287136
+1
> multilang JsonSerializer does not enforce inputstream UTF-8 encoding
> --------------------------------------------------------------------
>
> Key: STORM-437
> URL: https://issues.apache.org/jira/browse/STORM-437
> Project: Apache Storm (Incubating)
> Issue Type: Bug
> Affects Versions: 0.9.2-incubating
> Environment: AWS ubuntu 12.04 oracle java7
> Reporter: Itai Frenkel
> Fix For: 0.9.3-incubating
>
>
> On some machines UTF-8 gets corrupted over the multilang protocol. Analysis
> of the problem leads to JsonSerializer usage of InputStreamReader when
> reading from stdin.
> InputStreamReader uses the JVM defaults, which is usually UTF-8 but not
> always.
> Temporary Workaround:
> Edit storm/conf/storm.yaml and enforce the default JVM charset as follows:
> worker.childopts: "-Xmx768m -Dfile.encoding=UTF-8"
> Required Fix in JsonSerializer:
> Pass the string "UTF-8" to the InputStreamReader constructor as second
> argument.
> Notes:
> The implementation already enforces UTF-8 when writing to stdout, so there is
> no other fix needed there.
> python simplejson and ruby json gem use UTF-8 as the default.
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