Hallo,
Ich habe heute Alexa (von Amazon) auf meinem Raspberry Pi 3 B+ installiert und am Anfang hat alles gut funktioniert. Beim zweiten Starten hab ich dann eine Fehlermeldung bekommen. Hab mir den Raspberry Pi erst vor kurzem gekauft und kenne ich noch nicht so gut aus. Kann mir wer die Fehlermeldung übersetzen oder mir eine Lösung dazu sagen.
Danke für jede Antwort
Code
pi@raspberrypi:~ $ cd alexa-avs-sample-app/samples/javaclient
pi@raspberrypi:~/alexa-avs-sample-app/samples/javaclient $ mvn exec:exec
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Alexa Voice Service Sample Java Client 20160207.2
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- exec-maven-plugin:1.2.1:exec (default-cli) @ sample-java-client ---
21:04:01.808 [AWT-EventQueue-0] ERROR com.amazon.alexa.avs.AVSApp - An error occured creating speech request
java.lang.NullPointerException
at com.amazon.alexa.avs.AVSController.getMicrophoneInputStream(AVSController.java:304) ~[classes/:?]
at com.amazon.alexa.avs.AVSController.startRecording(AVSController.java:282) [classes/:?]
at com.amazon.alexa.avs.AVSApp$3.actionPerformed(AVSApp.java:265) [classes/:?]
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) [?:1.8.0_121]
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348) [?:1.8.0_121]
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) [?:1.8.0_121]
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) [?:1.8.0_121]
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) [?:1.8.0_121]
at java.awt.Component.processMouseEvent(Component.java:6533) [?:1.8.0_121]
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) [?:1.8.0_121]
at java.awt.Component.processEvent(Component.java:6298) [?:1.8.0_121]
at java.awt.Container.processEvent(Container.java:2236) [?:1.8.0_121]
at java.awt.Component.dispatchEventImpl(Component.java:4889) [?:1.8.0_121]
at java.awt.Container.dispatchEventImpl(Container.java:2294) [?:1.8.0_121]
at java.awt.Component.dispatchEvent(Component.java:4711) [?:1.8.0_121]
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888) [?:1.8.0_121]
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525) [?:1.8.0_121]
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466) [?:1.8.0_121]
at java.awt.Container.dispatchEventImpl(Container.java:2280) [?:1.8.0_121]
at java.awt.Window.dispatchEventImpl(Window.java:2746) [?:1.8.0_121]
at java.awt.Component.dispatchEvent(Component.java:4711) [?:1.8.0_121]
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) [?:1.8.0_121]
at java.awt.EventQueue.access$500(EventQueue.java:97) [?:1.8.0_121]
at java.awt.EventQueue$3.run(EventQueue.java:709) [?:1.8.0_121]
at java.awt.EventQueue$3.run(EventQueue.java:703) [?:1.8.0_121]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_121]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) [?:1.8.0_121]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) [?:1.8.0_121]
at java.awt.EventQueue$4.run(EventQueue.java:731) [?:1.8.0_121]
at java.awt.EventQueue$4.run(EventQueue.java:729) [?:1.8.0_121]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_121]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) [?:1.8.0_121]
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) [?:1.8.0_121]
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) [?:1.8.0_121]
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) [?:1.8.0_121]
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) [?:1.8.0_121]
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) [?:1.8.0_121]
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) [?:1.8.0_121]
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) [?:1.8.0_121]
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.amazon.alexa.avs.AVSController.stopRecording(AVSController.java:550)
at com.amazon.alexa.avs.AVSApp$3.actionPerformed(AVSApp.java:271)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
at javax.swing.AbstractButton.doClick(AbstractButton.java:356)
at com.amazon.alexa.avs.AVSApp$3$1.onRequestError(AVSApp.java:261)
at com.amazon.alexa.avs.AVSController.startRecording(AVSController.java:289)
at com.amazon.alexa.avs.AVSApp$3.actionPerformed(AVSApp.java:265)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
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