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Samebug tips

  1. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

  2. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

Solutions on the web

via YouTrack by Unknown author, 2 years ago
via Coderanch by Jaikiran Pai, 1 year ago
For input string: "student_name"
via JIRA by chedi bechikh, 2 years ago
For input string: "${project"
via Oracle Community by mhbbb, 1 year ago
via Google Groups by Shalvi, Doron (NIH/NLM) [C], 11 months ago
java.lang.NumberFormatException: For input string: ""	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)	at java.lang.Integer.parseInt(Integer.java:592)	at java.lang.Integer.parseInt(Integer.java:615)	at akka.http.impl.model.parser.IpAddressParsing$class.ip$minusnumber(IpAddressParsing.scala:21)	at akka.http.impl.model.parser.UriParser.ip$minusnumber(UriParser.scala:21)	at akka.http.impl.model.parser.IpAddressParsing$class.ip$minusv4$minusaddress(IpAddressParsing.scala:13)	at akka.http.impl.model.parser.UriParser.ip$minusv4$minusaddress(UriParser.scala:21)	at akka.http.impl.model.parser.UriParser.ipv4Host(UriParser.scala:150)	at akka.http.impl.model.parser.UriParser.host(UriParser.scala:135)	at akka.http.impl.model.parser.UriParser.hostAndPort(UriParser.scala:131)	at akka.http.impl.model.parser.UriParser.authority(UriParser.scala:125)	at akka.http.impl.model.parser.UriParser.hier$minuspart(UriParser.scala:102)	at akka.http.impl.model.parser.UriParser.absolute$minusURI(UriParser.scala:111)	at akka.http.impl.model.parser.UriParser.request$minustarget(UriParser.scala:233)	at akka.http.impl.model.parser.UriParser$$anonfun$7.apply(UriParser.scala:237)	at akka.http.impl.model.parser.UriParser$$anonfun$7.apply(UriParser.scala:237)	at akka.parboiled2.Parser.runRule$1(Parser.scala:143)	at akka.parboiled2.Parser.phase0_initialRun$1(Parser.scala:151)	at akka.parboiled2.Parser.__run(Parser.scala:204)	at akka.http.impl.model.parser.UriParser.parseHttpRequestTarget(UriParser.scala:237)	at akka.http.scaladsl.model.Uri$.parseHttpRequestTarget(Uri.scala:266)	at akka.http.impl.engine.parsing.HttpRequest$anon$1.parseRequestTarget(HttpRequestParser.scala:139)	at akka.http.impl.engine.parsing.HttpRequestParser$$anon$1.parseMessage(HttpRequestParser.scala:72)	at akka.http.impl.engine.parsing.HttpMessageParser$class.startNewMessage(HttpMessageParser.scala:100)	at akka.http.impl.engine.parsing.HttpRequestParser$$anon$1.startNewMessage(HttpRequestParser.scala:42)	at akka.http.impl.engine.parsing.HttpMessageParser$$anonfun$3.apply(HttpMessageParser.scala:34)	at akka.http.impl.engine.parsing.HttpMessageParser$$anonfun$3.apply(HttpMessageParser.scala:34)	at akka.http.impl.engine.parsing.HttpMessageParser$class.run$1(HttpMessageParser.scala:64)	at akka.http.impl.engine.parsing.HttpMessageParser$class.parseBytes(HttpMessageParser.scala:78)	at akka.http.impl.engine.parsing.HttpRequestParser$$anon$1.parseBytes(HttpRequestParser.scala:42)	at akka.http.impl.engine.parsing.HttpMessageParser$class.parseSessionBytes(HttpMessageParser.scala:60)	at akka.http.impl.engine.parsing.HttpRequestParser$$anon$1.parseSessionBytes(HttpRequestParser.scala:42)	at akka.http.impl.engine.parsing.HttpRequestParser$$anon$1.onPush(HttpRequestParser.scala:53)	at akka.stream.impl.fusing.GraphInterpreter.processPush(GraphInterpreter.scala:755)	at akka.stream.impl.fusing.GraphInterpreter.execute(GraphInterpreter.scala:657)	at akka.stream.impl.fusing.GraphInterpreterShell.runBatch(ActorGraphInterpreter.scala:470)	at akka.stream.impl.fusing.GraphInterpreterShell.receive(ActorGraphInterpreter.scala:422)	at akka.stream.impl.fusing.ActorGraphInterpreter.akka$stream$impl$fusing$ActorGraphInterpreter$$processEvent(ActorGraphInterpreter.scala:602)	at akka.stream.impl.fusing.ActorGraphInterpreter$$anonfun$receive$1.applyOrElse(ActorGraphInterpreter.scala:617)	at akka.actor.Actor$class.aroundReceive(Actor.scala:484)	at akka.stream.impl.fusing.ActorGraphInterpreter.aroundReceive(ActorGraphInterpreter.scala:528)	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)	at akka.actor.ActorCell.invoke(ActorCell.scala:495)	at akka.dispatbox.processMailbox(Mailbox.scala:257)	at akka.dispatch.Mailbox.run(Mailbox.scala:224)	at akka.dispatch.Mailbox.exec(Mailbox.scala:234)	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)