MyBatis出现org.apache.ibatis.executor.ExecutorException异常
DEBUG [main]
-
PooledDataSource forcefully closed
/
DEBUG [main] - ==> Parameters: 张( String
### The error may exist in sqlmap /
### Cause: org.apache.ibatis.executor.result.ResultMapException: Error attempting to get column ' username' from result set. Cause: java.sql.SQLException: Cannot convert value 'å¼ ä¸' from column 2 to TIMESTAMP.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java: 30
at org.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java: 83
24
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java: 1055
41
54
removed all connections.
DEBUG [main]
- PooledDataSource forcefully closed /removed all connections.
DEBUG [main]
- PooledDataSource forcefully closed /removed all connections.
DEBUG [main]
- PooledDataSource forcefully closed /removed all connections.
DEBUG [main]
-Opening JDBC Connection
DEBUG [main]
- Created connection 29011566.
DEBUG [main]
- Setting autocommit to false onJDBC Connection [com.mysql.jdbc.JDBC4Connection@1baae6e]
DEBUG [main]
- ==> Preparing: select * from user where username like concat(?, ' %')DEBUG [main] - ==> Parameters: 张( String
)
org.apache.ibatis.exceptions.PersistenceException:
###
Error querying database. Cause: org.apache.ibatis.executor.result.ResultMapException: Error attempting to get column ' username' from result set. Cause: java.sql.SQLException: Cannot convert value 'å¼ ä¸' from column 2 to TIMESTAMP.### The error may exist in sqlmap /
User.xml
### The
errormay involve test.findUserByName3
### The
error occurred whilehandling results
### SQL:
select * from user where username like concat(?, ' %')### Cause: org.apache.ibatis.executor.result.ResultMapException: Error attempting to get column ' username' from result set. Cause: java.sql.SQLException: Cannot convert value 'å¼ ä¸' from column 2 to TIMESTAMP.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java: 30
)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:
149)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:
140)
at com.swjd.test.B.test2(B.java:
40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
43)
at java.lang.reflect.Method.invoke(Method.java:
497)
at org.junit.runners.model.FrameworkMethod$
1 .runReflectiveCall(FrameworkMethod.java: 50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:
12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:
47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:
17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:
325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:
78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:
57)
at org.junit.runners.ParentRunner$
3 .run(ParentRunner.java: 290)
at org.junit.runners.ParentRunner$
1 .schedule(ParentRunner.java: 71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:
288)
at org.junit.runners.ParentRunner.access$
000 (ParentRunner.java: 58)
at org.junit.runners.ParentRunner$
2 .evaluate(ParentRunner.java: 268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:
363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:
137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:
68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:
47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:
242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:
70)
Caused by: org.apache.ibatis.executor.result.ResultMapException:
Error attempting to get column ' username' from result set. Cause: java.sql.SQLException: Cannot convert value 'å¼ ä¸' from column 2 to TIMESTAMP.at org.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java: 83
)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createUsingConstructor(DefaultResultSetHandler.java:
671)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createByConstructorSignature(DefaultResultSetHandler.java:
654)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:
618)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:
591)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.getRowValue(DefaultResultSetHandler.java:
397)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValuesForSimpleResultMap(DefaultResultSetHandler.java:
354)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValues(DefaultResultSetHandler.java:
328)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSet(DefaultResultSetHandler.java:
301)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:
194)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:
65)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:
79)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:
63)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:
324)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:
156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:
109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:
83)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:
147)
24
more
Caused by: java.sql.SQLException: Cannot convert value
' å¼ ä¸' from column 2 to TIMESTAMP.at com.mysql.jdbc.SQLError.createSQLException(SQLError.java: 1055
)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:
956)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:
926)
at com.mysql.jdbc.ResultSetRow.getTimestampFast(ResultSetRow.java:
1328)
at com.mysql.jdbc.ByteArrayRow.getTimestampFast(ByteArrayRow.java:
124)
at com.mysql.jdbc.ResultSetImpl.getTimestampInternal(ResultSetImpl.java:
6669)
at com.mysql.jdbc.ResultSetImpl.getTimestamp(ResultSetImpl.java:
5988)
at com.mysql.jdbc.ResultSetImpl.getTimestamp(ResultSetImpl.java:
6026)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
43)
at java.lang.reflect.Method.invoke(Method.java:
497)
at org.apache.ibatis.logging.jdbc.ResultSetLogger.invoke(ResultSetLogger.java:
69)
at com.sun.proxy.$Proxy6.getTimestamp(Unknown Source)
at org.apache.ibatis.type.DateTypeHandler.getNullableResult(DateTypeHandler.java:
39)
at org.apache.ibatis.type.DateTypeHandler.getNullableResult(DateTypeHandler.java:
28)
at org.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java:
81)
41
more
Caused by: java.lang.NumberFormatException: 张三
at com.mysql.jdbc.StringUtils.getInt(StringUtils.java:
756)
at com.mysql.jdbc.ResultSetRow.getTimestampFast(ResultSetRow.java:
1253)
54
more
Process finished
with exit code - 1上网找了一些答案也没有解决我的问题，
后来发现原来是User类的构造函数问题，找不到相关的构造函数；试着在User中加一个默认的构造函数，就解决了。。。
希望能帮到大家。
默认的构造函数在创建构造函数后，不会自动创建默认构造函数
DEBUG [main]
-
Logging initialized using
'
class org.apache.ibatis.logging.slf4j.Slf4jImpl' adapter.
DEBUG [main] - PooledDataSource forcefully closed /
25
42
DEBUG [main] - PooledDataSource forcefully closed /
removed all connections.
DEBUG [main]
- PooledDataSource forcefully closed /removed all connections.
DEBUG [main]
- PooledDataSource forcefully closed /removed all connections.
DEBUG [main]
- PooledDataSource forcefully closed /removed all connections.
DEBUG [main]
-Opening JDBC Connection
DEBUG [main]
- Created connection 27155935.
DEBUG [main]
- Setting autocommit to false onJDBC Connection [com.mysql.jdbc.JDBC4Connection@19e5ddf]
DEBUG [main]
- ==> Preparing: select * from user where id =?
DEBUG [main]
- ==> Parameters: 27 ( Integer)
org.apache.ibatis.exceptions.PersistenceException:
###
Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: Error instantiating class com.swjd.po.User with invalid types () or values (). Cause: java.lang.NoSuchMethodException: com.swjd.po.User. < init >()
### The
error may exist in sqlmap /User.xml
### The
error may involve test.findUserById -Inline
### The
error occurred whilesetting parameters
### SQL:
select * from user where id =?
### Cause: org.apache.ibatis.reflection.ReflectionException:
Error instantiating class com.swjd.po.User with invalid types () or values (). Cause: java.lang.NoSuchMethodException: com.swjd.po.User. < init >()
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:
26)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:
111)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:
102)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:
66)
at com.test.Test1.test1(Test1.java:
31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
43)
at java.lang.reflect.Method.invoke(Method.java:
497)
at org.junit.runners.model.FrameworkMethod$
1 .runReflectiveCall(FrameworkMethod.java: 50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:
12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:
47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:
17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:
325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:
78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:
57)
at org.junit.runners.ParentRunner$
3 .run(ParentRunner.java: 290)
at org.junit.runners.ParentRunner$
1 .schedule(ParentRunner.java: 71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:
288)
at org.junit.runners.ParentRunner.access$
000 (ParentRunner.java: 58)
at org.junit.runners.ParentRunner$
2 .evaluate(ParentRunner.java: 268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:
363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:
137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:
68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:
47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:
242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:
70)
Caused by: org.apache.ibatis.reflection.ReflectionException:
Error instantiating class com.swjd.po.User with invalid types () or values (). Cause: java.lang.NoSuchMethodException: com.swjd.po.User. < init >()
at org.apache.ibatis.reflection.factory.DefaultObjectFactory.instantiateClass(DefaultObjectFactory.java:
86)
at org.apache.ibatis.reflection.factory.DefaultObjectFactory.create(DefaultObjectFactory.java:
48)
at org.apache.ibatis.reflection.factory.DefaultObjectFactory.create(DefaultObjectFactory.java:
41)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:
528)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:
507)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.getRowValue(DefaultResultSetHandler.java:
331)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValuesForSimpleResultMap(DefaultResultSetHandler.java:
291)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValues(DefaultResultSetHandler.java:
266)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSet(DefaultResultSetHandler.java:
236)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:
150)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:
60)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:
73)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:
60)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:
267)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:
137)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:
96)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:
77)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:
108)
25
more
Caused by: java.lang.NoSuchMethodException: com.swjd.po.User.
< init >()
at java.lang.Class.getConstructor0(Class.java:
3082)
at java.lang.Class.getDeclaredConstructor(Class.java:
2178)
at org.apache.ibatis.reflection.factory.DefaultObjectFactory.instantiateClass(DefaultObjectFactory.java:
60)
42
more
Process finished
with exit code - 1这种错也是同样的问题，
加上无参构造函数就可以了。
当创建对象来接受sql结果时会遍历实体类的构造方法找到与之匹配的，如果实体类中有构造方法了但是参数不匹配的话就会报上述错误，此时添加无参构造方法（默认的构造方法），会走其他方法，
https://blog.csdn.net/qq_35975416/article/details/80488267
正文到此结束
- 本文标签： Lua stream tab sql Select Connection sqlsession bug junit apache cat 遍历 dataSource ORM id Proxy java find HTML 参数 Persistence 希望 ResultSet mysql tar CTO mybatis Logging iBATIS Statement SDN REST autocommit JDBC https IDE list http IO 构造方法 struct UI value core executor session db map XML src StatementHandler
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