If a reference variable is set to null either explicitly by you or through Java automatically, and you attempt to dereference it you get a NullPointerException. The NullPointerException (NPE) …

Exception in thread thread_name: java.lang.OutOfMemoryError: Java heap space The detail message Java heap space indicates object could not be allocated in the Java heap.

I'm getting a NoSuchMethodError error when running my Java program. What's wrong and how do I fix it?

Apr 30, 2012 · To fix the actual problem you should try to either run the Java code with a newer version of Java JRE or specify the target parameter to the Java compiler to instruct the …

Mar 25, 2025 · More information: Even use JDK 24, and set Java language level is 23, it will still cause error, must use JDK 23 with Java language level 23 with latest version of Lombok (at …

If you face this error in cmd with another error as "could not find runtime environment" after you have done all settings in Environment Variable. Then you just need to run jre.exe in your jdk …

1 “java was started but returned exit code = -805306369” caused by Eclipse´s currupted workspace, I solved my problem with this 4 steps: 1) claose the eclipse. 2) Kill the adb from …

Mar 23, 2016 · 6 I am receiving error called - Java was started but returned with exit code=1 I have received this error after upgrading my java. I can see my ini file has below content.

1 I can't seem to launch a .jar file. An error comes up when I launch it. Help would be appreciated, here is the error:

Oct 15, 2023 · I have this same error, but it happens when I try to run JUnit tests in maven with jdk 21. The issue has to do with incompatible versions somwhere in the dependencies. …