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https://issues.apache.org/jira/browse/EAGLE-1094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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bd2019us updated EAGLE-1094:
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Labels: pull-request-available (was: )
> JSONObject.getString() may cause exception, optString() should be used.
> -----------------------------------------------------------------------
>
> Key: EAGLE-1094
> URL: https://issues.apache.org/jira/browse/EAGLE-1094
> Project: Eagle
> Issue Type: Bug
> Reporter: bd2019us
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Locations:
> (1)
> eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java:158
> (2)
> eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java:165
> (3)
> eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java:180
> (4)
> eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/resolver/MAPRFSVolumeResolver.java:117
> (5)
> eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/rest/MapRNameResolver.java:65
>
> JSONObject.getString(elem) would throw an exception if the key of "elem" does
> not exist, which may cause the program crash. Therefore, another one
> "optString()" should be used to avoid such kind of errors since it will
> return a default value ("") and won't risk the program in crashing.
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