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Chapter 4. Known issues

Red Hat build of OpenJDK 11 might include known issues. Solutions might exist for some of these known issues.

XPath expressions

Red Hat build of OpenJDK 11 specifies new default limits for XPath expressions. If you find that your code is exceeding these limits, you can raise them by passing the following parameters to your Red Hat build of OpenJDK deployment or by setting the JAVA_TOOL_OPTIONS environment variable to use them:

  • -Djdk.xml.xpathExprGrpLimit, which defaults to 10
  • -Djdk.xml.xpathExprOpLimit, which defaults to 100
  • -Djdk.xml.xpathTotalOpLimit, which defaults to 10,000

These default limits restrict the number of expression groups, the number of operators in a single expression, and the total number of operators.

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