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NOTE 1: -spawnChild has become the default in Tika 2.x. If you need to return to the legacy 1.x behavior, configure tika-server element in the tika-config.xml with <noFork>true</noFork> or add --noFork as the commandline argument.
NOTE 2: In Tika 1.x, to specify the JVM args for the child process, prepend the arguments with -J as in -JXmx4g after the -jar tika-server.x.x.jar call as in:
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