Github user FRosner commented on the issue: https://github.com/apache/zeppelin/pull/2095 Hi @NohSeho I built Zeppelin after your fix and checked again. Now it is still hanging for two minutes before actually moving to the part that was changed. The situation we have is that we have a proxy but it cannot be used because of https://issues.apache.org/jira/browse/ZEPPELIN-2152. Why is this time so long still? Any clues? ``` INFO [2017-03-07 12:52:34,068] ({main} NPMInstaller.java[installNpm]:117) - Installing npm version 3.10.8 INFO [2017-03-07 12:52:34,070] ({main} NPMInstaller.java[downloadFile]:198) - Downloading http://registry.npmjs.org/npm/-/npm-3.10.8.tgz to /usr/local/zeppelin/local-repo/vis/cache/npm-3.10.8.tar.gz INFO [2017-03-07 12:52:34,074] ({main} ProxyConfig.java[getProxyForUrl]:27) - No proxies configured INFO [2017-03-07 12:52:34,074] ({main} FileDownloader.java[execute]:91) - No proxy was configured, downloading directly ERROR [2017-03-07 12:54:41,887] ({main} HeliumVisualizationFactory.java[installNodeAndNpm]:92) - Could not download npm com.github.eirslett.maven.plugins.frontend.lib.InstallationException: Could not download npm at com.github.eirslett.maven.plugins.frontend.lib.NPMInstaller.installNpm(NPMInstaller.java:167) at com.github.eirslett.maven.plugins.frontend.lib.NPMInstaller.install(NPMInstaller.java:82) at org.apache.zeppelin.helium.HeliumVisualizationFactory.installNodeAndNpm(HeliumVisualizationFactory.java:86) at org.apache.zeppelin.helium.HeliumVisualizationFactory.<init>(HeliumVisualizationFactory.java:78) at org.apache.zeppelin.helium.HeliumVisualizationFactory.<init>(HeliumVisualizationFactory.java:64) at org.apache.zeppelin.server.ZeppelinServer.<init>(ZeppelinServer.java:122) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createSingletonInstance(CXFNonSpringJaxrsServlet.java:382) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createApplicationInstance(CXFNonSpringJaxrsServlet.java:454) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createServerFromApplication(CXFNonSpringJaxrsServlet.java:432) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:93) at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616) at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298) at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:163) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.server.Server.start(Server.java:387) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:354) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.apache.zeppelin.server.ZeppelinServer.main(ZeppelinServer.java:185) Caused by: com.github.eirslett.maven.plugins.frontend.lib.DownloadException: Could not download http://registry.npmjs.org/npm/-/npm-3.10.8.tgz at com.github.eirslett.maven.plugins.frontend.lib.DefaultFileDownloader.download(FileDownloader.java:77) at com.github.eirslett.maven.plugins.frontend.lib.NPMInstaller.downloadFile(NPMInstaller.java:199) at com.github.eirslett.maven.plugins.frontend.lib.NPMInstaller.downloadFileIfMissing(NPMInstaller.java:192) at com.github.eirslett.maven.plugins.frontend.lib.NPMInstaller.installNpm(NPMInstaller.java:124) ... 34 more Caused by: org.apache.http.conn.HttpHostConnectException: Connect to registry.npmjs.org:80 [registry.npmjs.org/151.101.112.162] failed: Connection timed out (Connection timed out) at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:142) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:319) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106) at com.github.eirslett.maven.plugins.frontend.lib.DefaultFileDownloader.execute(FileDownloader.java:104) at com.github.eirslett.maven.plugins.frontend.lib.DefaultFileDownloader.download(FileDownloader.java:65) ... 37 more Caused by: java.net.ConnectException: Connection timed out (Connection timed out) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:72) at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:125) ... 48 more WARN [2017-03-07 12:54:41,905] ({main} Helium.java[loadConf]:101) - /usr/local/zeppelin/conf/helium.json does not exists ERROR [2017-03-07 12:54:42,241] ({main} ZeppelinServer.java[<init>]:135) - Running 'npm install --fetch-retries=2 --fetch-retry-factor=1 --fetch-retry-mintimeout=5000 --registry=http://registry.npmjs.org/' in /usr/local/zeppelin/local-repo/vis java.io.IOException: Running 'npm install --fetch-retries=2 --fetch-retry-factor=1 --fetch-retry-mintimeout=5000 --registry=http://registry.npmjs.org/' in /usr/local/zeppelin/local-repo/vis at org.apache.zeppelin.helium.HeliumVisualizationFactory.bundle(HeliumVisualizationFactory.java:228) at org.apache.zeppelin.helium.HeliumVisualizationFactory.bundle(HeliumVisualizationFactory.java:102) at org.apache.zeppelin.server.ZeppelinServer.<init>(ZeppelinServer.java:133) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createSingletonInstance(CXFNonSpringJaxrsServlet.java:382) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createApplicationInstance(CXFNonSpringJaxrsServlet.java:454) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createServerFromApplication(CXFNonSpringJaxrsServlet.java:432) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:93) at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616) at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298) at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:163) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.server.Server.start(Server.java:387) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:354) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.apache.zeppelin.server.ZeppelinServer.main(ZeppelinServer.java:185) ```
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