An unhandled exception occurred while processing the request.

  • Hello
    Please try to use jsreport in my .net Core application. But I get an error and tried to run the example application and it also gives me the same error.
    If someone can help me please, I am new to jsreport and I do not fear experience.

    JsReportBinaryException: Error rendering report: A critical error occurred while trying to execute the render command: An error occurred while trying to start daemonized process: An error has occurred when trying to initialize jsreport, seems like there is already a server running in port: 5488 (2). listen EADDRINUSE :::5488 (1). caused by error (2) -> stack = Error: at instance.init.then.catch ([eval]:43623:29) at tryCatcher (jsreportRuntime.js:146030:23) at Promise._settlePromiseFromHandler (jsreportRuntime.js:145723:31) at Promise._settlePromise (jsreportRuntime.js:145780:18) at Promise._settlePromise0 (jsreportRuntime.js:145825:10) at Promise._settlePromises (jsreportRuntime.js:145900:18) at Async._drainQueue (jsreportRuntime.js:41845:16) at Async._drainQueues (jsreportRuntime.js:41855:10) at Immediate.Async.drainQueues (jsreportRuntime.js:41729:14) at runCallback (timers.js:794:20) at tryOnImmediate (timers.js:752:5) at processImmediate [as _immediateCallback] (timers.js:729:5)caused by error (1) -> meta = {"code":"EADDRINUSE","errno":"EADDRINUSE","syscall":"listen","address":"::","port":5488}, stack = Error: at Object._errnoException (util.js:1022:11) at _exceptionWithHostPort (util.js:1044:20) at Server.setupListenHandle [as _listen2] (net.js:1367:14) at listenInCluster (net.js:1408:12) at Server.listen (net.js:1492:7) at Promise (jsreportRuntime.js:154444:12) at Promise._execute (jsreportRuntime.js:42631:9) at Promise._resolveFromExecutor (jsreportRuntime.js:44909:18) at new Promise (jsreportRuntime.js:44505:10) at startAsync (jsreportRuntime.js:154438:10) at steps.push (jsreportRuntime.js:154472:14) at Object.start (jsreportRuntime.js:154546:13) at Object.reporter.initializeListeners.add (jsreportRuntime.js:154694:30) at <anonymous> (1). caused by error (1) -> stack = Error: at exports.NsSocket.socket.dataOnce ([eval]:44008:13) at exports.NsSocket.listener ([eval]:16744:10) at exports.NsSocket.EventEmitter.emit ([eval]:16832:22) at exports.NsSocket._onData ([eval]:86359:8) at Lazy.<anonymous> ([eval]:51602:13) at Lazy.<anonymous> ([eval]:51584:19) at emitTwo (events.js:126:13) at Lazy.emit (events.js:214:7) at Lazy.<anonymous> ([eval]:51585:22) at emitOne (events.js:116:13) at Lazy.emit (events.js:211:7) at yieldTo ([eval]:51692:18) at Function.<anonymous> ([eval]:51730:27) at Lazy.<anonymous> ([eval]:51698:21) at emitOne (events.js:116:13) at Lazy.emit (events.js:211:7)

    thanks for your help

  • Something is blocking the port 5488 used by jsreport. Perhaps another instance of jsreport?
    Try to open task manager and kill all node processes.

  • This is happening to me, the tutorial seems fine but when I try to implement it on my own it fails.

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