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Subject [GitHub] [beam] scwhittle opened a new pull request #11096: [BEAM-9399] Change the redirection of System.err to be a custom PrintStream
Date Wed, 11 Mar 2020 00:14:18 GMT
scwhittle opened a new pull request #11096: [BEAM-9399] Change the redirection of System.err
to be a custom PrintStream
URL: https://github.com/apache/beam/pull/11096
 
 
   This replaces the current implementation of a custom output stream wrapped by standard
PrintStream, removing a possible deadlock between the PrintStream and handler.  The
   deadlock can occur if something beneath the handler lock attempts to use System.err, reversing
   the normal locking order.
   
   By using PrintStream we can use a StringBuffer instead of a ByteBuffer, which also avoids
extra encoding and decoding between byte arrays and Strings.
   
   ------------------------
   
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