When viewing help files, this error often appears:

java.net.URISyntaxException: Illegal character in path at index 61: localhelp:/edu.illinois.ncsa.ergo.eq.help.tgic.ui/help/TGIC-1 Draft Release 1.htm?lang=en_US
at java.net.URI$Parser.fail(URI.java:2829)
at java.net.URI$Parser.checkChars(URI.java:3002)
at java.net.URI$Parser.parseHierarchical(URI.java:3086)
at java.net.URI$Parser.parse(URI.java:3034)
at java.net.URI.<init>(URI.java:595)
at java.net.URL.toURI(URL.java:942)
at org.eclipse.help.internal.base.util.ProxyUtil.getProxy(ProxyUtil.java:57)
at org.eclipse.help.internal.base.util.ProxyUtil.getConnection(ProxyUtil.java:108)
at org.eclipse.help.internal.base.util.ProxyUtil.getStream(ProxyUtil.java:124)
at org.eclipse.help.internal.search.HTMLDocParser.openDocument(HTMLDocParser.java:73)
at org.eclipse.help.internal.search.HTMLSearchParticipant.addDocument(HTMLSearchParticipant.java:59)
at org.eclipse.help.internal.search.SearchIndex.addDocument(SearchIndex.java:236)
at org.eclipse.help.internal.search.IndexingOperation.addDocuments(IndexingOperation.java:252)
at org.eclipse.help.internal.search.IndexingOperation.addNewDocuments(IndexingOperation.java:159)
at org.eclipse.help.internal.search.IndexingOperation.execute(IndexingOperation.java:106)
at org.eclipse.help.internal.search.LocalSearchManager.updateIndex(LocalSearchManager.java:628)
at org.eclipse.help.internal.search.LocalSearchManager.ensureIndexUpdated(LocalSearchManager.java:602)
at org.eclipse.help.internal.search.federated.IndexerJob.run(IndexerJob.java:31)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)