FelikZ/how-to-update-java-jre.md

Last active October 21, 2021 14:20

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Update Trader Workstation java version (IBKR) interactive brokers MacOS / OSX / Mac (tested on Monterey)

Raw

    Install latest java from java.com
# Make current JRE backup
mv /Users/$USER/Applications/Trader\ Workstation/.install4j/jre.bundle/Contents/Home/jre \
 /Users/$USER/Applications/Trader\ Workstation/.install4j/jre.bundle/Contents/Home/jre.bak

# Link fresh installed java to workstation
ln -sf \
  /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin/Contents/Home \
  /Users/$USER/Applications/Trader\ Workstation/.install4j/jre.bundle/Contents/Home/jre
Update /Users/$USER/Applications/Trader Workstation/tws.vmoptions to give more RAM to the app (will run faster).
-Xmx2048m
-Xms2048m
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