Dspace white screen

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Eugene Jose Espinoza

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Mar 8, 2020, 4:15:42 AM3/8/20

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Hi all! We're getting white screen in our DSpace installation. This DSpace installation has been working since December 2019. Just this week, we're getting white screen. What I can remember last time I was configuring it was I was trying to access the Postgresql database through pgadmin 4, so I returned the previous settings for pg_hba.conf and postgresql.conf. Not quite sure if this was related to why we're getting the white screen error.

Below is the snippet of the dspace.log:

[1]+ Stopped tail -f dspace.log.2020-03-08

root@s192-169-196-113:/dspace/log# clear

root@s192-169-196-113:/dspace/log# tail -f dspace.log.2020-03-08

Caused by: java.net.ConnectException: Connection refused (Connection refused)

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:607)

at org.postgresql.core.PGStream.<init>(PGStream.java:69)

at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:158)

... 101 more

2020-03-08 16:07:31,960 WARN org.hibernate.engine.jdbc.spi.SqlExceptionHelper @ SQL Error: 0, SQLState: 08001

2020-03-08 16:07:31,960 ERROR org.hibernate.engine.jdbc.spi.SqlExceptionHelper @ Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.

2020-03-08 16:07:31,963 WARN org.hibernate.engine.jdbc.spi.SqlExceptionHelper @ SQL Error: 0, SQLState: 08001

2020-03-08 16:07:31,963 ERROR org.hibernate.engine.jdbc.spi.SqlExceptionHelper @ Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.

2020-03-08 16:07:31,964 ERROR org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter @ Serious Error Occurred Processing Request!

javax.servlet.ServletException: org.apache.cocoon.ProcessingException: Sitemap: error invoking action

at <map:act type="locale"> - file:///dspace/webapps/xmlui/sitemap.xmap:767:64

at org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:230)

at org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

at org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)

at org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)

at org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)

at com.sun.proxy.$Proxy127.service(Unknown Source)

at org.dspace.springmvc.CocoonView.render(CocoonView.java:113)

at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1216)

at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1001)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:951)

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:842)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)