How to tell htmlunit to ignore certain errors

htmlunit, java

Solution

Try the following

webClient.setThrowExceptionOnFailingStatusCode(false);

It should handle the 404 (Not found) error status.

Problem

I am currently trying out HtmlUnit. I want to fill out an form and then submit it. But this results in an error, which seems to be caused by a file not being accessible, which results in a connection reset being thrown. How can I suppress this, as this is not crucial considering the loading process of the whole website? It doesn't seem to affect the program, though, I just want it to be silenced. ``` Apr 05, 2012 12:25:13 PM com.gargoylesoftware.htmlunit.html.HtmlPage loadExternalJavaScriptFile Schwerwiegend(severe): Error loading JavaScript from [*link*]. java.net.SocketException: Connection reset at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149) at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110) at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:264) at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98) at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252) at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281) at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247) at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219) at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298) at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125) at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:645) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:464) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:776) at com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnection.java:152) at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1439) at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1358) at com.gargoylesoftware.htmlunit.html.HtmlPage.loadJavaScriptFromUrl(HtmlPage.java:1008) at com.gargoylesoftware.htmlunit.html.HtmlPage.loadExternalJavaScriptFile(HtmlPage.java:950) at com.gargoylesoftware.htmlunit.html.HtmlScript.executeScriptIfNeeded(HtmlScript.java:349) at com.gargoylesoftware.htmlunit.html.HtmlScript$1.execute(HtmlScript.java:230) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.doProcessPostponedActions(JavaScriptEngine.java:642) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.access$400(JavaScriptEngine.java:79) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:590) at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:537) at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:538) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:499) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:474) at com.gargoylesoftware.htmlunit.html.HtmlPage.executeJavaScriptIfPossible(HtmlPage.java:870) at com.gargoylesoftware.htmlunit.html.HtmlScript.executeInlineScriptIfNeeded(HtmlScript.java:302) at com.gargoylesoftware.htmlunit.html.HtmlScript.executeScriptIfNeeded(HtmlScript.java:368) at com.gargoylesoftware.htmlunit.html.HtmlScript$1.execute(HtmlScript.java:230) at com.gargoylesoftware.htmlunit.html.HtmlScript.onAllChildrenAddedToPage(HtmlScript.java:240) at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:598) at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source) at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:556) at org.cyberneko.html.HTMLTagBalancer.callEndElement(HTMLTagBalancer.java:1142) at org.cyberneko.html.HTMLTagBalancer.endElement(HTMLTagBalancer.java:1044) at org.cyberneko.html.filters.DefaultFilter.endElement(DefaultFilter.java:206) at org.cyberneko.html.filters.NamespaceBinder.endElement(NamespaceBinder.java:329) at org.cyberneko.html.HTMLScanner$ContentScanner.scanEndElement(HTMLScanner.java:3018) at org.cyberneko.html.HTMLScanner$ContentScanner.scan(HTMLScanner.java:2005) at org.cyberneko.html.HTMLScanner.scanDocument(HTMLScanner.java:908) at org.cyberneko.html.HTMLConfiguration.parse(HTMLConfiguration.java:499) at org.cyberneko.html.HTMLConfiguration.parse(HTMLConfiguration.java:452) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.parse(HTMLParser.java:789) at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java:225) at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java:179) at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java:221) at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java:106) at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java:433) at com.gargoylesoftware.htmlunit.WebClient.loadDownloadedResponses(WebClient.java:2187) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.doProcessPostponedActions(JavaScriptEngine.java:625) at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.processPostponedActions(JavaScriptEngine.java:707) at com.gargoylesoftware.htmlunit.html.HtmlElement.click(HtmlElement.java:1246) at com.gargoylesoftware.htmlunit.html.HtmlElement.click(HtmlElement.java:1195) at com.gargoylesoftware.htmlunit.html.HtmlElement.click(HtmlElement.java:1158) at com.gargoylesoftware.htmlunit.html.HtmlImageInput.click(HtmlImageInput.java:138) at com.gargoylesoftware.htmlunit.html.HtmlImageInput.click(HtmlImageInput.java:99) at com.tronicguard.discovery.WebsiteManipulatorImplementation.<init>(WebsiteManipulatorImplementation.java:71) at Main.main(Main.java:10) ```

Original source

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