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xiangdong Huang updated CASSANDRA-8581: --------------------------------------- Attachment: difference my patch to fix NullPointer exception > Null pointer in cassandra.hadoop.ColumnFamilyRecoderWriter > ---------------------------------------------------------- > > Key: CASSANDRA-8581 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8581 > Project: Cassandra > Issue Type: Bug > Components: Hadoop > Reporter: xiangdong Huang > Assignee: Brandon Williams > Labels: hadoop > Fix For: 2.1.4 > > Attachments: difference, 屏幕快照 2015-01-08 下午7.59.29.png, 屏幕快照 > 2015-01-08 下午8.01.15.png, 屏幕快照 2015-01-08 下午8.07.23.png > > > When I run examples/hadoop_word_count. I find that ReducerToFilesystem is > correct but when I use ReducerToCassandra, the program will call loadYaml(). > The reason is that the program catch a exception at line 196 of > ColumnFamilyRecoderWriter.java. > Then it check why the exception occur, then it loadYaml to check if the disk > is broken... > However, the exception is NullPointerException. because the client is not > initialized. > > So we need a check to judge whether the client is null. > ( > The exception, original code and fixed code are in the attachments. > ) -- This message was sent by Atlassian JIRA (v6.3.4#6332)