Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by p-a-s-c-a-l
, 1 year ago
This exception has no message.
org.openide.util.lookup.ALPairComparator$DuplicatedPairException: Duplicate pair in treePair1: de.cismet.cids.server.actions.BandwidthTestAction pair2: java.lang.Object index1: 9 index2: 9 item1: de.cismet.cids.server.actions.BandwidthTestAction@1cad203c item2: null id1: 74d998e6 id2: 676088e3	at org.openide.util.lookup.ALPairComparator.compare(ALPairComparator.java:69)	at org.openide.util.lookup.ALPairComparator.compare(ALPairComparator.java:54)	at java.util.TreeMap.put(TreeMap.java:552)	at java.util.TreeSet.add(TreeSet.java:255)	at org.openide.util.lookup.AbstractLookup.getPairsAsLHS(AbstractLookup.java:322)	at org.openide.util.lookup.MetaInfServicesLookup.beforeLookup(MetaInfServicesLookup.java:153)	at org.openide.util.lookup.AbstractLookup$R.beforeLookup(AbstractLookup.java:1126)	at org.openide.util.lookup.ProxyLookup$R.myBeforeLookup(ProxyLookup.java:676)	at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:526)	at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:497)	at org.openide.util.Lookup.lookupAll(Lookup.java:263)	at de.cismet.cids.utils.ClassloadingHelper.(ClassloadingHelper.java:113)