ASM ClassReader failed to parse class file - probably due to a new Java class file version that isn

原帖地址：http://blog.csdn.net/zl544434558/article/details/44758381

错误产生的信息如下：

Caused by: 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: file [E:\develop_tools\apache-tomcat-8.0.18\webapps\SpringMVCUploadFileDemo\WEB-INF\classes\com\evan\action\UploadFileAction.class];
nested exception is java.lang.IllegalArgumentException

at org.springframework.core.type.classreading.SimpleMetadataReader.(SimpleMetadataReader.java:56)

at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:80)

at org.springframework.core.type.classreading.CachingMetadataReaderFactory.getMetadataReader(CachingMetadataReaderFactory.java:102)

at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:257)

… 39 more

Caused by: java.lang.IllegalArgumentException

at org.springframework.asm.ClassReader.(Unknown Source)

产生的原因是：我用的JDK8.0版本，而spring使用的是3.2。

解决办法是：将项目的编译版本降到1.7即可。

具体如下：

在项目上右键–properties–java Compile–compiler compliance level 如图所示：