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  1. ,

    Thrown when an application is trying to use or access an object whose reference equals to null but if you are getting no message, try using the option -XX:-OmitStackTraceInFastThrow.

java.lang.NullPointerException: null at java.io.Reader.<init>(Reader.java:78)[na:1.8.0_91] at java.io.InputStreamReader.<init>(InputStreamReader.java:113)[na:1.8.0_91] at com.sdl.odata.client.caller.BasicEndpointCaller.getResponse(BasicEndpointCaller.java:210)[odata_client-2.0.5-1002.jar:2.0.5-1002] at com.sdl.odata.client.caller.BasicEndpointCaller.callEndpoint(BasicEndpointCaller.java:86)[odata_client-2.0.5-1002.jar:2.0.5-1002] at com.sdl.odata.client.DefaultODataClient.getODataResponse(DefaultODataClient.java:141)[odata_client-2.0.5-1002.jar:2.0.5-1002] at com.sdl.odata.client.DefaultODataClient.getEntity(DefaultODataClient.java:69)[odata_client-2.0.5-1002.jar:2.0.5-1002] at com.sdl.context.odata.client.ODataContextEngineProxy.resolve(ODataContextEngineProxy.java:104)[cwd_odata_client-8.1.1-1012.jar:8.1.1-1012] at com.sdl.context.odata.client.api.ODataContextEngine.resolve(ODataContextEngine.java:44)[cwd_odata_client-8.1.1-1012.jar:8.1.1-1012] at com.sdl.webapp.tridion.contextengine.ContextServiceClaimsProvider.getContextClaims(ContextServiceClaimsProvider.java:87)[dxa-web8-provider-1.4.0.jar:1.4.0] at com.sdl.webapp.common.impl.contextengine.ContextEngineImpl.getClaims(ContextEngineImpl.java:41)[dxa-common-impl-1.4.0.jar:1.4.0] at com.sdl.webapp.common.impl.WebRequestContextImpl.getDisplayWidth(WebRequestContextImpl.java:128)[dxa-common-impl-1.4.0.jar:1.4.0] at com.sdl.webapp.common.impl.WebRequestContextImpl$$FastClassByCGLIB$$2bfec188.invoke(<generated>)[cglib-2.2.2.jar:1.4.0]