EXCEPTION Archives •

Spring Application Start Throw BeanDefinitionStoreException

Leave a Comment / Spring Tutorial / EXCEPTION, Spring

When your Spring application startup, you may sometimes encounter such exceptions. org.springframework.beans.factory.BeanDefinitionStoreException. And the error message maybe like below. Failed to read candidate component class: file nested exception is org.springframework.core.NestedIOException: ASM ClassReader failed to parse class file – probably due to a new Java class file version that isn’t supported yet: nested exception is java.lang.IllegalArgumentException …

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Java.util.ConcurrentModificationException Examples And Resolution

Leave a Comment / Java Tutorial / EXCEPTION

When you operate a java collection object use iterator, you may always meet java.util.ConcurrentModificationException error. It is because the java collection object has been changed while others still use the method iterator.next() to loop in it. Below is just an example code that can throw concurrent modification exceptions.

Java Exception Indepth Research

Leave a Comment / Java Tutorial / EXCEPTION

The exception mechanism is how the program is handled when the program meets an error. It provides a safe exit method for the java programs. When an error occurs, the program executing process changes, and the control of the program is transferred to the exception handler.

How To Fix Java Unsupported major.minor Version 51.0 Exception

Leave a Comment / Java Tutorial / EXCEPTION

When you run a program in Eclipse or command line. You may encounter the following exception java.lang.UnsupportedClassVersionError: Unsupported major.minor version 51.0. This is because your java class compiler version is bigger than the java class runtime version. In my environment, my java runtime version is 1.6, but my eclipse java compiler version is 1.8. So …

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