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Samebug tips

  1. ,
    via Coderanch by Partheban Udayakumar

    You might send a large amount of data in the request URL. Consider sending it in the request body.

  2. ,
    via Stack Overflow by Maciej Marczuk

    This error is caused by malformed HTTP request. You are trying to access unsecured page through https.

Solutions on the web

via Atlassian JIRA by Woo Yit Wei [Atlassian], 1 year ago
Request header is too large
via Stack Overflow by Aneri Bhatt
, 1 year ago
java.lang.IllegalArgumentException: Request header is too large	at org.apache.coyote.http11.AbstractNioInputBuffer.parseHeaders(AbstractNioInputBuffer.java:392)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1024)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1502)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1458)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)