i have copied the full log with this mail.
2020-11-23 18:18:30,757 [DEBUG] Using qz.printer.action.PrintPDF to print
2020-11-23 18:18:30,768 [DEBUG] Searching for PrintService matching Zebra ZC300 USB Card Printer
2020-11-23 18:18:30,769 [DEBUG] Found 12 printers
2020-11-23 18:18:30,770 [DEBUG] Found match: Zebra ZC300 USB Card Printer
2020-11-23 18:18:48,606 [ERROR] Connection error
java.lang.RuntimeException: Cannot call method public void qz.ws.PrintSocketClient#onMessage(org.eclipse.jetty.websocket.api.Session, java.io.Reader) with args: [org.eclipse.jetty.websocket.common.WebSocketSession, org.eclipse.jetty.websocket.common.message.MessageReader]
at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.unwrapRuntimeException(CallableMethod.java:93)
at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:75)
at org.eclipse.jetty.websocket.common.events.annotated.OptionalSessionCallableMethod.call(OptionalSessionCallableMethod.java:68)
at org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver$2.run(JettyAnnotatedEventDriver.java:227)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:782)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:914)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.OutOfMemoryError: Java heap space
at org.apache.pdfbox.io.ScratchFile.<init>(ScratchFile.java:128)
at org.apache.pdfbox.pdmodel.PDDocument.<init>(PDDocument.java:185)
at org.apache.pdfbox.pdmodel.PDDocument.<init>(PDDocument.java:171)
at org.apache.pdfbox.multipdf.Splitter.createNewDocument(Splitter.java:208)
at org.apache.pdfbox.multipdf.Splitter.createNewDocumentIfNecessary(Splitter.java:175)
at org.apache.pdfbox.multipdf.Splitter.processPage(Splitter.java:226)
at org.apache.pdfbox.multipdf.Splitter.processPages(Splitter.java:149)
at org.apache.pdfbox.multipdf.Splitter.split(Splitter.java:84)
at qz.printer.action.PrintPDF.parseData(Unknown Source)
at qz.utils.PrintingUtilities.processPrintRequest(Unknown Source)
at qz.ws.PrintSocketClient.processMessage(Unknown Source)
at qz.ws.PrintSocketClient.onMessage(Unknown Source)
at jdk.internal.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:70)
... 5 more
2020-11-23 18:18:48,609 [ERROR] Connection error
java.lang.RuntimeException: Cannot call method public void qz.ws.PrintSocketClient#onMessage(org.eclipse.jetty.websocket.api.Session, java.io.Reader) with args: [org.eclipse.jetty.websocket.common.WebSocketSession, org.eclipse.jetty.websocket.common.message.MessageReader]
at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.unwrapRuntimeException(CallableMethod.java:93)
at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:75)
at org.eclipse.jetty.websocket.common.events.annotated.OptionalSessionCallableMethod.call(OptionalSessionCallableMethod.java:68)
at org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver$2.run(JettyAnnotatedEventDriver.java:227)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:782)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:914)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.OutOfMemoryError: Java heap space
at java.desktop/java.awt.print.Paper.clone(Paper.java:110)
at java.desktop/java.awt.print.PageFormat.getPaper(PageFormat.java:281)
at java.desktop/sun.awt.windows.WPrinterJob.getDefaultPage(Native Method)
at java.desktop/sun.awt.windows.WPrinterJob.defaultPage(WPrinterJob.java:765)
at java.desktop/java.awt.print.PrinterJob.defaultPage(PrinterJob.java:390)
at java.desktop/java.awt.print.PrinterJob.getPageFormat(PrinterJob.java:413)
at qz.printer.action.PrintPDF.print(Unknown Source)
at qz.utils.PrintingUtilities.processPrintRequest(Unknown Source)
at qz.ws.PrintSocketClient.processMessage(Unknown Source)
at qz.ws.PrintSocketClient.onMessage(Unknown Source)
at jdk.internal.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:70)
... 5 more
2020-11-23 18:18:49,882 [INFO] Starting printing (1 copies)
2020-11-23 18:18:50,577 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:51,115 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:51,559 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:51,577 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:52,004 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:52,013 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:52,367 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,088 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,356 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,363 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,621 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,630 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,924 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:53,940 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:54,226 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:54,243 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,064 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,082 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,365 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,365 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,666 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,666 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:55,951 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:56,520 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:56,783 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:56,799 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:57,103 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:57,121 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:57,420 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:58,066 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:58,389 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:58,389 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:58,737 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:58,752 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:59,022 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:59,037 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:59,856 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:18:59,872 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:00,177 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:00,193 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:00,975 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:00,975 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:01,229 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:01,229 [DEBUG] Paper area: 0,0:468,288
2020-11-23 18:19:01,478 [INFO] Connection closed: 1005 - null
2020-11-23 18:19:01,478 [INFO] Closing all communication channels for Toyota
2020-11-23 18:19:31,529 [WARN] QueuedThreadPool[qtp1844334363]@6dee4f1b{STOPPING,8<=0<=200,i=10,r=-1,q=2}[NO_TRY] Couldn't stop Thread[qtp1844334363-86,5,main]
2020-11-23 18:19:31,529 [WARN] The web socket server is no longer running
2020-11-23 18:21:23,097 [INFO] Try to find SSL properties file...
2020-11-23 18:21:23,620 [INFO] Found C:\Program Files\QZ Tray/qz-tray.properties
2020-11-23 18:21:23,620 [DEBUG] Executing: [net, session]
2020-11-23 18:21:23,883 [INFO] Wrote Cert: "C:\Users\416660\AppData\Local\Temp\root-ca-14350885128045557768.crt"
2020-11-23 18:21:23,899 [INFO] Opening USER store using Crypt32...
2020-11-23 18:21:23,921 [DEBUG] Parsed hostNames: localhost,
localhost.qz.io2020-11-23 18:21:23,921 [INFO] Email address
sup...@qz.io found, assuming CertProvider is INTERNAL
2020-11-23 18:21:23,921 [DEBUG] Executing: [CheckNetIsolation.exe, LoopbackExempt, -a, -n=Microsoft.MicrosoftEdge_8wekyb3d8bbwe]
2020-11-23 18:21:24,084 [INFO] Starting QZ Tray 2.1.2+11
2020-11-23 18:21:26,634 [DEBUG] Using trusted root certificate: CN=
qzindustries.com, O=QZ Industries, LLC (8ef2c0b2fe3f75754245b3fb9d54c0caa1b46bb3)
2020-11-23 18:21:26,684 [DEBUG] Checking for .autostart preference in user directory C:\Users\416660\AppData\Roaming\qz...
2020-11-23 18:21:26,688 [DEBUG] Checking for .autostart preference in shared directory C:\ProgramData\qz...
2020-11-23 18:21:27,851 [WARN] Unable to access CRL from
https://crl.qz.io, javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
2020-11-23 18:21:28,360 [DEBUG] Checking for a running instance of QZ Tray on port 8283
2020-11-23 18:21:28,792 [DEBUG] Checking for a running instance of QZ Tray on port 8384
2020-11-23 18:21:29,245 [DEBUG] Checking for a running instance of QZ Tray on port 8485
2020-11-23 18:21:29,862 [ERROR] Failed to get latest version info