systemProperties and NPE
------------------------
Key: MSUREFIRE-80
URL: http://jira.codehaus.org/browse/MSUREFIRE-80
Project: Maven 2.x Surefire Plugin
Type: Bug
Reporter: Jason Dillon
Priority: Blocker
I've got in my pom:
{code}
<properties>
<jdbc.schema></jdbc.schema>
</properties>
{code}
And then configured the surefire plugin to set a system property:
{code}
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<systemProperties>
<dbunit.connection.schema>${jdbc.schema}</dbunit.connection.schema>
</systemProperties>
</configuration>
</plugin>
{code}
Which ends up resulting in:
{noformat}
[DEBUG] (f) systemProperties = {dbunit.connection.schema=null}
...
[DEBUG] Trace
java.lang.NullPointerException
at java.util.Hashtable.put(Hashtable.java:393)
at java.util.Properties.setProperty(Properties.java:102)
at java.lang.System.setProperty(System.java:656)
at
org.apache.maven.test.SurefirePlugin.processSystemProperties(SurefirePlugin.java:408)
at org.apache.maven.test.SurefirePlugin.execute(SurefirePlugin.java:335)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:415)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:531)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:485)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:455)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:303)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:270)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:139)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
{noformat}
If I put any value into the property, like
{code}
<properties>
<jdbc.schema>foo</jdbc.schema>
</properties>
{code}
Then it works as expected, no NPE and the property gets set.
But I need to set the property to an empty string... why on earth does this get
turned into a null?
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