https://answers.axonivy.com/questions/4618/unknown-java-build-problem-in-axon-ivy-designer-failed-to-init-ct-sym<p>With Axon.ivy Designer 9.1 based on eclipse 2020-06 I can not compile my ivy and java projects and get the following Unknown Java Problem in the Problems View:</p> <pre><code>The project was not built due to "Failed to init ct.sym for ...\jre\lib\jrt-fs.jar". Fix the problem, then try refreshing this project and building it since it may be inconsistent </code></pre> <p>What can I do to fix this?</p>enMon, 29 Jun 2020 04:39:35 -0400https://answers.axonivy.com/questions/4618/unknown-java-build-problem-in-axon-ivy-designer-failed-to-init-ct-sym/4622<p>Newer Designer builds for Windows &gt;9.1.0.200626xxxx (later than 26.6.2020) has a modified bundled jre to overcome this problem.</p>Bruno BütlerMon, 29 Jun 2020 04:39:35 -0400https://answers.axonivy.com/questions/4618/unknown-java-build-problem-in-axon-ivy-designer-failed-to-init-ct-sym/4622https://answers.axonivy.com/questions/4618/unknown-java-build-problem-in-axon-ivy-designer-failed-to-init-ct-sym/4619<p>Best is to be sure to run with an Java JDK instead of an JRE.</p> <p>You can change this under Window &gt; Preferences &gt; Java &gt; Installed JREs: <img alt="Installed JREs" src="https://answers.axonivy.com/upfiles/Screenshot_20200626_135545.png"></p> <p>The other workaround is to disable the --release option in the Java Compiler Settings of your Project:</p> <p><img alt="Disable -- release option" src="https://answers.axonivy.com/upfiles/Screenshot_20200626_135224.png"></p>Christian StrebelFri, 26 Jun 2020 07:59:22 -0400https://answers.axonivy.com/questions/4618/unknown-java-build-problem-in-axon-ivy-designer-failed-to-init-ct-sym/4619