AIOOBE in RoutePatternAction.calcOffset

[h4ck3rm1k3]

What steps will reproduce the problem?

1. edit ​https://www.openstreetmap.org/relation/6647582 in josm with plugin

Please provide any additional information below. Attach a screenshot if possible.

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-10-12 20:22:53 +0200 (Wed, 12 Oct 2016)
Build-Date:2016-10-13 01:37:34
Revision:11124
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11124 en) Linux Ubuntu 16.04.1 LTS
Memory Usage: 717 MB / 1301 MB (525 MB allocated, but free)
Java version: 1.8.0_91-8u91-b14-3ubuntu1~16.04.1-b14, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1360x768
Maximum Screen Size: 1360x768
Java package: openjdk-8-jre:amd64-8u91-b14-3ubuntu1~16.04.1
Dataset consistency test: No problems found

Plugins:
+ continuosDownload (53)
+ pt_assistant (32990)
+ public_transport (32796)
+ public_transport_layer (32817)
+ routes (32842)

Last errors/warnings:
- W: java.net.SocketException: Socket closed
- E: java.net.SocketException: Socket closed
- W: java.net.SocketException: Socket closed
- E: java.net.SocketException: Socket closed
- W: Unable to get color from '' for color preference 'extrude.main.line'
- W: Unable to get color from '' for color preference 'improve.way.accuracy.helper.line'
- W: Unable to get color from '' for color preference 'make.parallel.helper.line'
- W: Unable to get color from '' for color preference 'extrude.main.line'
- W: Unable to get color from '' for color preference 'improve.way.accuracy.helper.line'
- W: Unable to get color from '' for color preference 'make.parallel.helper.line'


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (17) of main
java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.Vector.elementData(Vector.java:734)
	at java.util.Vector.elementAt(Vector.java:477)
	at public_transport.RoutePatternAction.calcOffset(RoutePatternAction.java:1932)
	at public_transport.RoutePatternAction.fillStoplistTable(RoutePatternAction.java:1949)
	at public_transport.RoutePatternAction.routesSelectionChanged(RoutePatternAction.java:1902)
	at public_transport.RoutePatternAction.access$000(RoutePatternAction.java:55)
	at public_transport.RoutePatternAction$RoutesLSL.valueChanged(RoutePatternAction.java:68)
	at javax.swing.JList.fireSelectionValueChanged(JList.java:1796)
	at javax.swing.JList$ListSelectionHandler.valueChanged(JList.java:1810)
	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:184)
	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:154)
	at javax.swing.DefaultListSelectionModel.setValueIsAdjusting(DefaultListSelectionModel.java:685)
	at javax.swing.JList.setValueIsAdjusting(JList.java:2140)
	at javax.swing.plaf.basic.BasicListUI$Handler.mouseReleased(BasicListUI.java:2796)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
	at java.awt.Component.processMouseEvent(Component.java:6535)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6300)
	at java.awt.Container.processEvent(Container.java:2236)
	at java.awt.Component.dispatchEventImpl(Component.java:4891)
	at java.awt.Container.dispatchEventImpl(Container.java:2294)
	at java.awt.Component.dispatchEvent(Component.java:4713)
	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:2750)
	at java.awt.Component.dispatchEvent(Component.java:4713)
	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:76)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
	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:76)
	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)

[Don-vip]

Closed as duplicate of #7757.