webMethods Knowlegebase : NTLM proxy authentication can not be used on Linux (1788483)

Problem

If NTLM authentication is used with proxy on Linux, Update Manager (SUM) 10.1 throws NullPointerException in launcher.log and cannot proceed to next step.

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Exception in thread "main" java.lang.RuntimeException: java.lang.NullPointerException

at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.j…

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.ja…

at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.ja…

at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:489)

at com.softwareag.plm.sum.client.launcher.utils.Downloader.checkForTimeOut(Downloader.java:256)

at com.softwareag.plm.sum.client.launcher.steps.impl.CheckSUMServer.establishConnection(CheckSUMServer.java:38)

at com.softwareag.plm.sum.client.launcher.steps.impl.CheckSUMServer.run(CheckSUMServer.java:65)

at com.softwareag.plm.sum.client.launcher.steps.AbstractAction.begin(AbstractAction.java:76)

at com.softwareag.plm.sum.client.launcher.steps.StepManager.executeSteps(StepManager.java:48)

at com.softwareag.plm.sum.client.launcher.Launcher.main(Launcher.java:51)

Caused by: java.lang.NullPointerException

at com.sun.security.ntlm.Client.type3(Client.java:161)

at sun.net.www.protocol.http.ntlm.NTLMAuthentication.buildType3Msg(NTLMAuthenticat…

at sun.net.www.protocol.http.ntlm.NTLMAuthentication.setHeaders(NTLMAuthentication…

at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.j…

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.ja…

at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)

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