Environment Variables in spring-boot application.properties error

Question

I have been looking at this answer to reference environment variables in spring boot application.properties.

However, when I do this an error is returned saying they cannot resolve $(MYAPP_MYSQL_DB_USERNAME}

Application.properties

spring.datasource.username = ${MYAPP_MYSQL_DB_USERNAME}

Error

org.dbunit.dataset.DataSetException: java.sql.SQLException: Access denied for user '${MYAPP_MYSQL_DB_USERNAME}'@'localhost' (using password: YES)
    at org.dbunit.database.DatabaseDataSet.initialize(DatabaseDataSet.java:243)
    at org.dbunit.database.DatabaseDataSet.getTableMetaData(DatabaseDataSet.java:281)
    at org.dbunit.operation.AbstractOperation.getOperationMetaData(AbstractOperation.java:80)
    at org.dbunit.operation.AbstractBatchOperation.execute(AbstractBatchOperation.java:144)
    at com.github.springtestdbunit.DbUnitRunner.setupOrTeardown(DbUnitRunner.java:194)
    at com.github.springtestdbunit.DbUnitRunner.beforeTestMethod(DbUnitRunner.java:66)
    at com.github.springtestdbunit.DbUnitTestExecutionListener.beforeTestMethod(DbUnitTestExecutionListener.java:186)
    at org.springframework.test.context.TestContextManager.beforeTestMethod(TestContextManager.java:265)
    at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
    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:254)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89)
    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$2.evaluate(ParentRunner.java:268)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:193)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.sql.SQLException: Access denied for user '${MYAPP_MYSQL_DB_USERNAME}'@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871)
    at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1694)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1215)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)
    at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:307)
    at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:200)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:708)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:642)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:464)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:141)
    at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:115)
    at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:102)
    at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:126)
    at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
    at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:225)
    at com.sun.proxy.$Proxy93.getMetaData(Unknown Source)
    at org.dbunit.database.DatabaseDataSet.initialize(DatabaseDataSet.java:185)
    ... 28 more

org.dbunit.dataset.DataSetException: java.sql.SQLException: Access denied for user '${MYAPP_MYSQL_DB_USERNAME}'@'localhost' (using password: YES)
    at org.dbunit.database.DatabaseDataSet.initialize(DatabaseDataSet.java:243)
    at org.dbunit.database.DatabaseDataSet.getTableMetaData(DatabaseDataSet.java:281)
    at org.dbunit.operation.AbstractOperation.getOperationMetaData(AbstractOperation.java:80)
    at org.dbunit.operation.AbstractBatchOperation.execute(AbstractBatchOperation.java:144)
    at com.github.springtestdbunit.DbUnitRunner.setupOrTeardown(DbUnitRunner.java:194)
    at com.github.springtestdbunit.DbUnitRunner.afterTestMethod(DbUnitRunner.java:83)
    at com.github.springtestdbunit.DbUnitTestExecutionListener.afterTestMethod(DbUnitTestExecutionListener.java:191)
    at org.springframework.test.context.TestContextManager.afterTestMethod(TestContextManager.java:313)
    at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:94)
    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:254)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89)
    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$2.evaluate(ParentRunner.java:268)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:193)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.sql.SQLException: Access denied for user '${MYAPP_MYSQL_DB_USERNAME}'@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871)
    at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1694)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1215)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)
    at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:307)
    at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:200)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:708)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:642)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:464)
    at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:141)
    at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:115)
    at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:102)
    at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:126)
    at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
    at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:225)
    at com.sun.proxy.$Proxy93.getMetaData(Unknown Source)
    at org.dbunit.database.DatabaseDataSet.initialize(DatabaseDataSet.java:185)
    ... 27 more

I have set the environment variable in my .bash_profile. I then source .bash_profile.

I get the result when

> echo $MYAPP_MYSQL_DB_USERNAME
> root

I have also restarted eclipse, just to cover all bases.

Add the rest of the application properties, your jdbc url, driver, .. — Ali Dehghani
– Ali Dehghani, Commented Feb 25, 2016 at 11:18
@AliDehghani, the answer from Rahul running eclipse from command line works. I would prefer not to have to do that though. — SJC
– SJC, Commented Feb 25, 2016 at 11:23
I'm new to spring so I'm not sure if my thinking is correct, but wouldn't it also be possible (and easier) to export environment variable called spring_datasource_username to have spring read it directly? — riemann
– riemann, Commented Mar 5, 2018 at 18:35

Rahul · Accepted Answer · 2016-02-25 11:14:15Z

4

You have set the variable MYAPP_MYSQL_DB_USERNAME in .bash_profile. I think that you are launching eclipse as desktop application. If you are launching eclipse as desktop application, it can not read the variable from .bash_profile. To resolve this you can use below:

You can launch your eclipse from command prompt.

OR

Set the environment variable in .profile file.

answered Feb 25, 2016 at 11:14

Rahul

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3 Comments

SJC Over a year ago

I should mention I am on a Mac. The .profile did not work. but running eclipse from the command line did. Any other ideas about running the app not from the command line and resolving the variables?

SJC Over a year ago

any alternatives to the .profile way you can think of?

Rahul Over a year ago

@SJC You can add varible in '~/.MacOSX/environment.plist' and you can launch eclipse from desktop.

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