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export JAVA_OPTS="-Dsun.io.serialization.extendedDebugInfo=true -Xmx5G -Xms2m -Dfile.encoding=UTF8"
export JAVA_TOOLS_OPTS="-Dfile.encoding=UTF8"
export SBT_OPTS="$JAVA_OPTS"
export DAFFODIL_JAVA_OPTS="$JAVA_OPTS"
export LANG=en_US.UTF8
export TMP=/tmp # only needed on linux, only if neither TMP nor TEMP_DIR is defined already

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The JAVA_OPTS, SBT_OPTS, and DAFFODIL_JAVA_OPTS respectively set these flags for the java command, the sbt command, and the daffodil command (aka daffodil CLI).

For LANG, adjust the en_US part to your locale, the important part is the ".UTF8". (TBD: This env-var may not be needed at all)

The file.encoding definition is needed on MS Windows. Not required on Linux.

On MS-Windows it may be necessary to add the java JDK "bin" directory to the PATH. Find where the Java JDK is installed (usually under C:\Program Files\Java\jdk...\bin), and put the bin directory on PATH.

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