java.lang.NullPointerException: This exception has no message.

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via GitHub by resetnow
, 1 year ago
This exception has no message.
via GitHub by weyiming
, 10 months ago
This exception has no message.
via Google Groups by Balaji, 2 years ago
via Google Groups by Sujit, 2 years ago
via Atlassian JIRA by Seb Ruiz, 1 year ago
This exception has no message.
via Atlassian JIRA by Steve Smith [SYD/AMS/LHR], 1 year ago
This exception has no message.
java.lang.NullPointerException:
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at org.eclipse.smarthome.io.rest.sitemap.SitemapSubscriptionService.exists(SitemapSubscriptionService.java:112)
at org.eclipse.smarthome.io.rest.sitemap.SitemapSubscriptionService.setPageId(SitemapSubscriptionService.java:143)
at org.eclipse.smarthome.ui.basic.internal.servlet.WebAppServlet.service(WebAppServlet.java:146)

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