Caused by: java.lang.IllegalStateException: Cannot determine target DataSource for lookup key错误

### 该问题是怎么引起的？

![输入图片说明](https://images.gitee.com/uploads/images/2019/0321/193536_adae8b89_958929.png "20190321193441.png")

![输入图片说明](https://images.gitee.com/uploads/images/2019/0321/193007_dcf84a04_958929.png "20190321192410.png")

### 重现步骤

修改mysql数据库连接地址由原来的的127.0.0.1改成测试环境的，改了密码，其余什么都没操作，启动就报错， **看了别人提的三个issuse,其中说到yml文件有可能引起，我这边手动输入的，肯定是没问题** ，如果把连接地址改回到127.0.0.1，又能用。。不知道啥情况。。

### 报错信息

03-21 19:26:01.217 WARN  [c.j.common.datasource.RoutingDataSource] - Set default target data source is null.
03-21 19:26:08.064 DEBUG [com.jeesite.common.beetl.BeetlUtils    ] - Beetl config files: [classpath:/config/beetl-core.properties, classpath:/config/beetl.properties]
03-21 19:26:11.851 INFO  [com.jeesite.test.InitCoreData          ] - Started InitCoreData in 437.41 seconds (JVM running for 439.039)
03-21 19:26:11.903 WARN  [o.s.aop.framework.CglibAopProxy        ] - Unable to proxy interface-implementing method [public final void org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests.setApplicationContext(org.springframework.context.ApplicationContext)] because it is marked as final: Consider using interface-based JDK proxies instead!
03-21 19:26:11.941 WARN  [o.s.test.context.TestContextManager    ] - Caught exception while invoking 'beforeTestMethod' callback on TestExecutionListener [org.springframework.test.context.transaction.TransactionalTestExecutionListener@6986852] for test method [public void com.jeesite.test.InitCoreData.initCoreData() throws java.lang.Exception] and test instance [com.jeesite.test.InitCoreData@2e3fa7a7]

org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.lang.IllegalStateException: Cannot determine target DataSource for lookup key [null]
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:305)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:378)
	at org.springframework.test.context.transaction.TransactionContext.startTransaction(TransactionContext.java:103)
	at org.springframework.test.context.transaction.TransactionalTestExecutionListener.beforeTestMethod(TransactionalTestExecutionListener.java:192)
	at org.springframework.test.context.TestContextManager.beforeTestMethod(TestContextManager.java:291)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
	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$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$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: java.lang.IllegalStateException: Cannot determine target DataSource for lookup key [null]
	at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.determineTargetDataSource(AbstractRoutingDataSource.java:207)
	at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:169)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:262)
	... 25 common frames omitted

03-21 19:26:11.943 INFO  [com.jeesite.test.InitCoreData          ] - ===== Test After ============================== 耗时：17976天11时26分11秒

org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.lang.IllegalStateException: Cannot determine target DataSource for lookup key [null]

at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:305)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:378)
	at org.springframework.test.context.transaction.TransactionContext.startTransaction(TransactionContext.java:103)
	at org.springframework.test.context.transaction.TransactionalTestExecutionListener.beforeTestMethod(TransactionalTestExecutionListener.java:192)
	at org.springframework.test.context.TestContextManager.beforeTestMethod(TestContextManager.java:291)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
	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$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$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: java.lang.IllegalStateException: Cannot determine target DataSource for lookup key [null]
	at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.determineTargetDataSource(AbstractRoutingDataSource.java:207)
	at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:169)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:262)
	... 25 more

。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

最后自己Debug调试。。。发现是密码的原因。。。。什么情况密码不支持@开头？？？

![默认密码](https://images.gitee.com/uploads/images/2019/0322/134553_6b36010e_958929.png "QQ截图20190322134219.png")

![输入图片说明](https://images.gitee.com/uploads/images/2019/0322/134809_4ec5011b_958929.png "QQ截图20190322134129.png")

这是默认用户名密码。。我的密码是@laramXPS

![输入图片说明](https://images.gitee.com/uploads/images/2019/0322/134653_6184e5c8_958929.png "QQ截图20190322134323.png")

![输入图片说明](https://images.gitee.com/uploads/images/2019/0322/134706_c538935b_958929.png "QQ截图20190322134303.png")

a变量哪里竟然没有识别。。。。。尴尬，将密码改了就行了

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