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EventAdmin is null in EventBroker if run Junit test using maven in Luna [message #1503276]

Mon, 08 December 2014 10:07

Sumit Singh

Messages: 141
Registered: October 2012
Location: Bangalore

Senior Member

HI*,

I have some Junit tests, one class uses EventBroker in one of its method. I'm running it using Tycho V0.22.0. Till eclipse 4.3 it was working fine.
After migrating to Luna I'm getting Following Exception:

java.lang.NullPointerException: null
	at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:78)

I'm creating Event Broker like:

            try {
                IEclipseContext eclipseCtx = getEclipseContext(IEventBroker.class); // I'm getting context in this function
                eclipseCtx.set(Logger.class, null);
                IEventBroker eventBroker = eclipseCtx.get(IEventBroker.class); // this is returning eventBroker
            } catch (Exception ex) {
                LoggerHandler.sendMessage(LoggerConstants.ERROR_MESSAGE, "Event Broker not initialized " + ex.getMessage());
                LoggerHandler.logStackTrace(LoggerConstants.DETAILED_MESSAGE, ex);
            }

And method is using it like:

eventBroker.send("SOME_ID", Object);

I know that its throwing NPE because eclipseCtx.set(Logger.class, null) but before Luna inside send method EventAdmin eventAdmin = Activator.getDefault().getEventAdmin();(); it was not null but now its null.

so why its failing? is there is any way to fix this?

[Updated on: Mon, 08 December 2014 10:09]

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Re: EventAdmin is null in EventBroker if run Junit test using maven in Luna [message #1503384 is a reply to message #1503276]

Mon, 08 December 2014 12:14

Sumit Singh

Messages: 141
Registered: October 2012
Location: Bangalore

Senior Member

Found One workaround: Add following code in pom file. Now the question is, why its not working without it?

<build>	
    <plugins>
		<plugin>
			<groupId>org.eclipse.tycho</groupId>
			<artifactId>target-platform-configuration</artifactId>
			<version>${tycho-version}</version>
			<configuration>
				<dependency-resolution>
					<extraRequirements>
						<requirement>
							<type>eclipse-feature</type>
							<id>org.eclipse.rcp</id>
							<versionRange>0.0.0</versionRange>
						</requirement>
					</extraRequirements>
				</dependency-resolution>
			</configuration>
		</plugin>
	</plugins>
</build>

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