Cause: java.lang.NullPointerException: target is null for method xxx
Error querying database. Cause: java.lang.NullPointerException: target is null for method name### Cause: java.lang.NullPointerException: target is null for method nameat org.apache.ibatis.exceptions.E
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Error querying database. Cause: java.lang.NullPointerException: target is null for method name
### Cause: java.lang.NullPointerException: target is null for method name
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:107)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)
at sun.reflect.GeneratedMethodAccessor241.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)
... 68 more
Caused by: java.lang.NullPointerException: target is null for method name
at org.apache.ibatis.ognl.OgnlRuntime.callMethod(OgnlRuntime.java:862)
at org.apache.ibatis.ognl.ASTMethod.getValueBody(ASTMethod.java:73)
at org.apache.ibatis.ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170)
at org.apache.ibatis.ognl.SimpleNode.getValue(SimpleNode.java:210)
at org.apache.ibatis.ognl.ASTChain.getValueBody(ASTChain.java:109)
直接说答案,就是你的sql里面有个方法没有,或者是某个对象在点某个方法的时候为空.
例如这句sql,要么就是 .zaUserLevelEnum方法没有,要么就是.name()方法没有,要么就是dto为空的时候.zaUserLevelEnum空指针,要么就是zaUserLevelEnum为空在 .name()的时候空指针.
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