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Had previously worked with the separate windows mode on a few projects, then switched over to the single window mode. Many changes to options after the switchover. Now when the IDE is launched I encounter this exception during the launch.
Created attachment 17445 [details] log suggested to include by the IDE
java.lang.NullPointerException at org.netbeans.modules.j2ee.deployment.config.ConfigDataLoader.checkCache(ConfigDataLoader.java:177) at org.netbeans.modules.j2ee.deployment.config.ConfigDataLoader.initialize(ConfigDataLoader.java:61)
*** Issue 48696 has been marked as a duplicate of this issue. ***
another one *** This issue has been marked as a duplicate of 43764 ***