After upgrade of Jenkins, the checkout of my svn project fails:

Checking out https://seqcrawler.svn.sourceforge.net/svnroot/seqcrawler/trunk/index/CrawlerIndex
A solr
A solr/conf
FATAL: de/regnis/q/sequence/line/QSequenceLineRAData
java.lang.NoClassDefFoundError: de/regnis/q/sequence/line/QSequenceLineRAData
at org.tmatesoft.svn.core.internal.wc.DefaultSVNOptions.createMerger(DefaultSVNOptions.java:561)
at org.tmatesoft.svn.core.internal.wc.admin.SVNAdminArea.mergeProperties(SVNAdminArea.java:470)
at org.tmatesoft.svn.core.internal.wc.SVNUpdateEditor15.closeFile(SVNUpdateEditor15.java:1103)
at org.tmatesoft.svn.core.internal.wc.SVNUpdateEditor15.closeFile(SVNUpdateEditor15.java:626)
at org.tmatesoft.svn.core.internal.wc.SVNCancellableEditor.closeFile(SVNCancellableEditor.java:141)
at org.tmatesoft.svn.core.internal.io.dav.handlers.DAVEditorHandler.endElement(DAVEditorHandler.java:484)
at org.tmatesoft.svn.core.internal.io.dav.handlers.BasicDAVHandler.endElement(BasicDAVHandler.java:99)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1774)
at ....