springboot在与activiti6.0整合过程存在的一些错误,我这里简单列出一些我遇到的问题
一、Caused by: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
springboot2.0集成activiti6.0后启动报错:
Caused by: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
at sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:724) ~[na:1.8.0_65]
at sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:531) ~[na:1.8.0_65]
at sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:355) ~[na:1.8.0_65]
at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:286) ~[na:1.8.0_65]
at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120) ~[na:1.8.0_65]
at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72) ~[na:1.8.0_65]
at java.lang.Class.createAnnotationData(Class.java:3521) ~[na:1.8.0_65]
at java.lang.Class.annotationData(Class.java:3510) ~[na:1.8.0_65]
at java.lang.Class.createAnnotationData(Class.java:3526) ~[na:1.8.0_65]
at java.lang.Class.annotationData(Class.java:3510) ~[na:1.8.0_65]
at java.lang.Class.getAnnotation(Class.java:3415) ~[na:1.8.0_65]
at java.lang.reflect.AnnotatedElement.isAnnotationPresent(AnnotatedElement.java:258) ~[na:1.8.0_65]
at java.lang.Class.isAnnotationPresent(Class.java:3425) ~[na:1.8.0_65]
at org.springframework.core.annotation.AnnotatedElementUtils.hasAnnotation(AnnotatedElementUtils.java:570) ~[spring-core-5.0.9.RELEASE.jar:5.0.9.RELEASE]
分析
从错误提示来看,提示数组越界错误,当然实际怎么样,需要从源码分析什么原因造成的。
发现AnnotationParser.parseClassValue把异常包装成为Object,实际报错是ClassNotFound
private static Object parseClassValue(ByteBuffer buf,
ConstantPool constPool,
Class<?> container) {
int classIndex = buf.getShort() & 0xFFFF;
try {
try {
String sig = constPool.getUTF8At(classIndex);
return parseSig(sig, container);
} catch (IllegalArgumentException ex) {
// support obsolete early jsr175 format class files
return constPool.getClassAt(classIndex);
}
} catch (NoClassDefFoundError e) {
return new TypeNotPresentExceptionProxy("[unknown]", e);
}
catch (TypeNotPresentException e) {
return new TypeNotPresentExceptionProxy(e.typeName(), e.getCause());
}
}
总结:
springboot2.0不能与activiti6.0.0直接集成使用,因为activiti6.0.0出来的时候springboot2.0还没有出来,activiti6.0.0 支持springboot1.2.6以上,2.0.0以下的版本。
解决:
1:将springboot2.0降级为原来的1.X版本
2:在springboot启动类上添加
@SpringBootApplication(exclude = SecurityAutoConfiguration.class)
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