UnknownFormatConversionException in UNICAST3 logging ---------------------------------------------------- Key: JGRP-1758 URL: https://issues.jboss.org/browse/JGRP-1758 Project: JGroups Issue Type: Bug Affects Versions: 3.4.1 Reporter: Paul Ferraro Assignee: Bela Ban Priority: Critical Fix For: 3.4.2, 3.5 When UNICAST3 tries to log a "FailedToDeliverMsg", it translates to the following pattern from jg-messages.properties: "JGRP000039: %s: failed to deliver %s %s: %t" This causes the following exception (because %t is not a valid conversion token): {noformat} java.util.UnknownFormatConversionException: Conversion = 't' at java.util.Formatter$FormatSpecifier.<init>(Formatter.java:2690) at java.util.Formatter.parse(Formatter.java:2528) at java.util.Formatter.format(Formatter.java:2469) at java.util.Formatter.format(Formatter.java:2423) at java.lang.String.format(String.java:2797) at org.jboss.logmanager.ExtLogRecord.formatRecord(ExtLogRecord.java:434) at org.jboss.logmanager.ExtLogRecord.getFormattedMessage(ExtLogRecord.java:397) at org.jboss.logmanager.formatters.Formatters$10.renderRaw(Formatters.java:568) at org.jboss.logmanager.formatters.Formatters$JustifyingFormatStep.render(Formatters.java:225) at org.jboss.logmanager.formatters.MultistepFormatter.format(MultistepFormatter.java:86) at org.jboss.logmanager.ExtFormatter.format(ExtFormatter.java:35) at org.jboss.logmanager.handlers.WriterHandler.doPublish(WriterHandler.java:49) at org.jboss.logmanager.ExtHandler.publish(ExtHandler.java:79) at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:296) at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304) at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304) at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304) at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304) at org.jboss.logmanager.Logger.logRaw(Logger.java:721) at org.jboss.logmanager.Logger.log(Logger.java:672) at org.jboss.logging.JBossLogManagerLogger.doLogf(JBossLogManagerLogger.java:50) at org.jboss.logging.Logger.errorf(Logger.java:1369) at org.jboss.as.clustering.jgroups.LogFactory$LogAdapter.error(LogFactory.java:104) at org.jgroups.protocols.UNICAST3.handleDataReceived(UNICAST3.java:697) at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:381) at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:600) at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:147) at org.jgroups.protocols.FD.up(FD.java:255) at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:301) at org.jgroups.protocols.MERGE2.up(MERGE2.java:209) at org.jgroups.protocols.Discovery.up(Discovery.java:379) at org.jgroups.protocols.MPING.up(MPING.java:181) at org.jgroups.protocols.TP$ProtocolAdapter.up(TP.java:2609) at org.jgroups.protocols.TP.passMessageUp(TP.java:1399) at org.jgroups.protocols.TP$MyHandler.run(TP.java:1585) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) {noformat}