对Arrays.asList()返回的List进行操作之后报错Caused by: java.lang.UnsupportedOperationException 让我们来看一下Arrays.asList的源码: /** * Returns a {@code List} of the objects in the specified array. The size of the * {@code List} cannot be modified, i.e. adding and removing…

Loading KeyStore C:\Tool\jdk1.7.0_71\jre\lib\security\jssecacerts... Opening connection to www.google.com:443... Starting SSL handshake... javax.net.ssl.SSLException: java.lang.UnsupportedOperationException at sun.security.ssl.Alerts.getSSLException(…

运行web项目的时候出现以下错误: ### Cause: java.lang.UnsupportedOperationException    at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:77)    at org.mybatis.spring.SqlSessionTemplate$SqlSessionIntercepto…

String[] queryNames = request.getParameterValues("queryName"); List<String> queryNamesAry = Arrays.asList(queryNames); for(int idx=0; idx<queryNamesAry.size(); idx++) { String queryName = queryNamesAry.get(idx); if(StringUtils.isEmpty(q…

Contract Address : 0x967f92adc229b77dda64b42af21ea1ff1b0702eb Unable to create instance of org.fisco.bcos.web3j.abi.datatypes.generated.Int256 java.lang.UnsupportedOperationException: Unable to create instance of org.fisco.bcos.web3j.abi.datatypes.ge…

Caused by: java.lang.ClassNotFoundException: org.springframework.dao.DataIntegrityViolationException     at java.net.URLClassLoader$1.run(Unknown Source)     at java.security.AccessController.doPrivileged(Native Method)     at java.net.URLClassLoader…

Caused by: java.lang.UnsupportedClassVersionError: com/sumingk/platform/service/impl/ServiceSysPersonImpl : Unsupported major.minor version 51.0 (unable to load class com.sumingk.platform.service.impl.ServiceSysPersonImpl) at org.apache.catalina.load…

最近使用Android Studio开发一个新项目,刚做完几个界面,跑在android 5.0上面很正常,因为都是挺简单的布局,本以为应该不存在兼容性问题(Flag啊). 偶然用了一个4.x的实机测试,发现杯具了,直接报错退出了,发现log里面打出这么一句: java.lang.UnsupportedOperationException: Can't convert to color: type=0x2 难以理解啊,没办法一步一步调试吧. 顺便说一下调试要注意的问题,如果compileSdkVe…

tomcat启动不了 报错信息头如下: Caused by: java.lang.NoClassDefFoundError: at java.lang.Class.getDeclaredMethods0(Native Method) 解决办法,pom.xml文件中添加 <dependency>     <groupId>org.aspectj</groupId>     <artifactId>aspectjweaver</artifactId>…

在android studio中, 自定义View 时,出现 Caused by: java.lang.ClassNotFoundException: Didn't find class 在查看包名和类名都没有错误的情况,一个可能的原因是,在添加包名时,粗心导致把包类型定义为androidTest下了 如下图所示: 本人做为android  新手,英语水平一般,只是如实记录自己所犯的错,高手不喜勿吐.…