feat: shared container feature

[matheusandre1]

This is Pr Closes: #282

[matheusandre1]

I forgetting something? Some requirement may have changed.

cc: @mathecruz

[mcruzdev]

I forgetting something? Some requirement may have changed.

cc: @mathecruz

Hi @matheusandre1, I gonna take a look today. Sorry for the delay 😃

[mcruzdev]

Hi @matheusandre1, I tested it locally with two applications and the second was not started.

Details

2026-04-10 21:52:04,950 ERROR [io.quarkus.deployment.dev.IsolatedDevModeMain] (main) Failed to start quarkus: java.lang.RuntimeException: io.quarkus.builder.BuildException: Build failure: Build failed due to errors [error]: Build step io.quarkus.deployment.steps.DevServicesConfigBuildStep#setup threw an exception: java.lang.NullPointerException: Cannot invoke "java.util.Map.size()" because "m" is null at java.base/java.util.HashMap.putMapEntries(HashMap.java:503) at java.base/java.util.HashMap.putAll(HashMap.java:791) at io.quarkus.deployment.steps.DevServicesConfigBuildStep.setup(DevServicesConfigBuildStep.java:32) at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733) at io.quarkus.deployment.ExtensionLoader$3.execute(ExtensionLoader.java:898) at io.quarkus.builder.BuildContext.run(BuildContext.java:242) at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18) at org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2651) at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2630) at org.jboss.threads.EnhancedQueueExecutor.runThreadBody(EnhancedQueueExecutor.java:1622) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1589) at java.base/java.lang.Thread.run(Thread.java:1583) at org.jboss.threads.JBossThread.run(JBossThread.java:501)

at io.quarkus.runner.bootstrap.AugmentActionImpl.runAugment(AugmentActionImpl.java:441)
at io.quarkus.runner.bootstrap.AugmentActionImpl.createInitialRuntimeApplication(AugmentActionImpl.java:355)
at io.quarkus.runner.bootstrap.AugmentActionImpl.createInitialRuntimeApplication(AugmentActionImpl.java:65)
at io.quarkus.deployment.dev.IsolatedDevModeMain.firstStart(IsolatedDevModeMain.java:90)
at io.quarkus.deployment.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:436)
at io.quarkus.deployment.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:56)
at io.quarkus.bootstrap.app.CuratedApplication.runInCl(CuratedApplication.java:157)
at io.quarkus.bootstrap.app.CuratedApplication.runInAugmentClassLoader(CuratedApplication.java:98)
at io.quarkus.deployment.dev.DevModeMain.start(DevModeMain.java:106)
at io.quarkus.deployment.dev.DevModeMain.main(DevModeMain.java:68)

Caused by: io.quarkus.builder.BuildException: Build failure: Build failed due to errors
[error]: Build step io.quarkus.deployment.steps.DevServicesConfigBuildStep#setup threw an exception: java.lang.NullPointerException: Cannot invoke "java.util.Map.size()" because "m" is null
at java.base/java.util.HashMap.putMapEntries(HashMap.java:503)
at java.base/java.util.HashMap.putAll(HashMap.java:791)
at io.quarkus.deployment.steps.DevServicesConfigBuildStep.setup(DevServicesConfigBuildStep.java:32)
at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)
at io.quarkus.deployment.ExtensionLoader$3.execute(ExtensionLoader.java:898)
at io.quarkus.builder.BuildContext.run(BuildContext.java:242)
at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)
at org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2651)
at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2630)
at org.jboss.threads.EnhancedQueueExecutor.runThreadBody(EnhancedQueueExecutor.java:1622)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1589)
at java.base/java.lang.Thread.run(Thread.java:1583)
at org.jboss.threads.JBossThread.run(JBossThread.java:501)

at io.quarkus.builder.Execution.run(Execution.java:139)
at io.quarkus.builder.BuildExecutionBuilder.execute(BuildExecutionBuilder.java:76)
at io.quarkus.deployment.QuarkusAugmentor.run(QuarkusAugmentor.java:182)
at io.quarkus.runner.bootstrap.AugmentActionImpl.runAugment(AugmentActionImpl.java:437)
... 9 more

Caused by: java.lang.NullPointerException: Cannot invoke "java.util.Map.size()" because "m" is null
at java.base/java.util.HashMap.putMapEntries(HashMap.java:503)
at java.base/java.util.HashMap.putAll(HashMap.java:791)
at io.quarkus.deployment.steps.DevServicesConfigBuildStep.setup(DevServicesConfigBuildStep.java:32)
at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)
at io.quarkus.deployment.ExtensionLoader$3.execute(ExtensionLoader.java:898)
at io.quarkus.builder.BuildContext.run(BuildContext.java:242)
at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)
at org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2651)
at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2630)
at org.jboss.threads.EnhancedQueueExecutor.runThreadBody(EnhancedQueueExecutor.java:1622)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1589)
at java.base/java.lang.Thread.run(Thread.java:1583)
at org.jboss.threads.JBossThread.run(JBossThread.java:501)

I am investigating here, probably it happens when the DAPR_CONTAINER_LOCATOR returns a non-empty Optional.

EDIT: Another issue is the dashboard url, if the shared is true we need to configure the property quarkus.dapr.devservices.dashboard.url.

[mcruzdev]

I found some issues, we need to do:

1. Configure Dapr Dashboard container (configuring label through configureSharedServiceLabel(this, launchMode, DevServicesDaprProcessor.DASHBOARD_WORKFLOW_LABEL serviceName);
2. We need to do the same process (locate before creating) for Dapr Dashboard if dashboard is enabled
3. And to configure the property quarkus.dapr.devservices.dashboard.url

I think it is all, please after a mvn clean install, try to create two app with 999-SNAPSHOT dapr extension version to see if the shared is working.

[matheusandre1]

Okay, I'll run a regression test here and adjust accordingly.