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Solo 初始化过程中出现问题

本贴最后更新于 293 天前，其中的信息可能已经时过境迁

Solo 在网页点击初始化后，登录了链滴账号后，后台出现错误


[WARN ]-[2024-09-06 15:34:57]-[org.b3log.solo.processor.OAuthProcessor:137]: Can't get user info with token [G2H2F5ohB3vvy2Q2]
[ERROR]-[2024-09-06 15:34:57]-[org.b3log.solo.service.DataModelService:637]: Fills blog header failed
java.lang.NullPointerException: Cannot invoke "org.json.JSONObject.getInt(String)" because "preference" is null
	at org.b3log.solo.service.DataModelService.fillBlogHeader(DataModelService.java:602) [solo/:?]
	at org.b3log.solo.service.DataModelService.fillCommon(DataModelService.java:485) [solo/:?]
	at org.b3log.solo.service.DataModelService_$$_jvstfa8_38._d5fillCommon(DataModelService_$$_jvstfa8_38.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.ioc.JavassistMethodHandler.invoke(JavassistMethodHandler.java:108) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.service.DataModelService_$$_jvstfa8_38.fillCommon(DataModelService_$$_jvstfa8_38.java) [solo/:?]
	at org.b3log.solo.processor.ErrorProcessor.showErrorPage(ErrorProcessor.java:95) [solo/:?]
	at org.b3log.solo.processor.ErrorProcessor_$$_jvstfa8_41._d7showErrorPage(ErrorProcessor_$$_jvstfa8_41.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.ioc.JavassistMethodHandler.invoke(JavassistMethodHandler.java:108) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.ErrorProcessor_$$_jvstfa8_41.showErrorPage(ErrorProcessor_$$_jvstfa8_41.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.http.Response.sendError(Response.java:138) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.Response.sendError(Response.java:124) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.sendError(RequestContext.java:307) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.OAuthProcessor.authCallback(OAuthProcessor.java:138) [solo/:?]
	at org.b3log.solo.processor.OAuthProcessor_$$_jvstfa8_3d._d0authCallback(OAuthProcessor_$$_jvstfa8_3d.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.ioc.JavassistMethodHandler.invoke(JavassistMethodHandler.java:108) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.OAuthProcessor_$$_jvstfa8_3d.authCallback(OAuthProcessor_$$_jvstfa8_3d.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.http.handler.InvokeHandler.handle(InvokeHandler.java:45) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.handler.RouteHandler.handle(RouteHandler.java:200) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.PermalinkHandler.handle(PermalinkHandler.java:62) [solo/:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.InitCheckHandler.handle(InitCheckHandler.java:65) [solo/:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.SkinHandler.handle(SkinHandler.java:59) [solo/:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.handler.StaticResourceHandler.handle(StaticResourceHandler.java:36) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.Dispatcher.handle(Dispatcher.java:91) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.ServerHandler.channelRead0(ServerHandler.java:78) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.ServerHandler.channelRead0(ServerHandler.java:34) [latke-core-3.4.30.jar:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at org.b3log.latke.http.WebSocketHandler.handleHttpRequest(WebSocketHandler.java:90) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.WebSocketHandler.channelRead0(WebSocketHandler.java:47) [latke-core-3.4.30.jar:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) [netty-codec-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) [netty-codec-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) [netty-codec-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800) [netty-transport-classes-epoll-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509) [netty-transport-classes-epoll-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407) [netty-transport-classes-epoll-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) [netty-common-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.100.Final.jar:4.1.100.Final]
	at java.lang.Thread.run(Thread.java:833) [?:?]
[ERROR]-[2024-09-06 15:34:57]-[org.b3log.solo.processor.ArticleProcessor:102]: Shows error page failed
org.b3log.latke.service.ServiceException: java.lang.NullPointerException: Cannot invoke "org.json.JSONObject.getInt(String)" because "preference" is null
	at org.b3log.solo.service.DataModelService.fillBlogHeader(DataModelService.java:639) ~[solo/:?]
	at org.b3log.solo.service.DataModelService.fillCommon(DataModelService.java:485) ~[solo/:?]
	at org.b3log.solo.service.DataModelService_$$_jvstfa8_38._d5fillCommon(DataModelService_$$_jvstfa8_38.java) ~[solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.ioc.JavassistMethodHandler.invoke(JavassistMethodHandler.java:108) ~[latke-core-3.4.30.jar:?]
	at org.b3log.solo.service.DataModelService_$$_jvstfa8_38.fillCommon(DataModelService_$$_jvstfa8_38.java) ~[solo/:?]
	at org.b3log.solo.processor.ErrorProcessor.showErrorPage(ErrorProcessor.java:95) [solo/:?]
	at org.b3log.solo.processor.ErrorProcessor_$$_jvstfa8_41._d7showErrorPage(ErrorProcessor_$$_jvstfa8_41.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.ioc.JavassistMethodHandler.invoke(JavassistMethodHandler.java:108) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.ErrorProcessor_$$_jvstfa8_41.showErrorPage(ErrorProcessor_$$_jvstfa8_41.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.http.Response.sendError(Response.java:138) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.Response.sendError(Response.java:124) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.sendError(RequestContext.java:307) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.OAuthProcessor.authCallback(OAuthProcessor.java:138) [solo/:?]
	at org.b3log.solo.processor.OAuthProcessor_$$_jvstfa8_3d._d0authCallback(OAuthProcessor_$$_jvstfa8_3d.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.ioc.JavassistMethodHandler.invoke(JavassistMethodHandler.java:108) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.OAuthProcessor_$$_jvstfa8_3d.authCallback(OAuthProcessor_$$_jvstfa8_3d.java) [solo/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.b3log.latke.http.handler.InvokeHandler.handle(InvokeHandler.java:45) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.handler.RouteHandler.handle(RouteHandler.java:200) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.PermalinkHandler.handle(PermalinkHandler.java:62) [solo/:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.InitCheckHandler.handle(InitCheckHandler.java:65) [solo/:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.solo.processor.SkinHandler.handle(SkinHandler.java:59) [solo/:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.handler.StaticResourceHandler.handle(StaticResourceHandler.java:36) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.RequestContext.handle(RequestContext.java:555) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.Dispatcher.handle(Dispatcher.java:91) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.ServerHandler.channelRead0(ServerHandler.java:78) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.ServerHandler.channelRead0(ServerHandler.java:34) [latke-core-3.4.30.jar:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at org.b3log.latke.http.WebSocketHandler.handleHttpRequest(WebSocketHandler.java:90) [latke-core-3.4.30.jar:?]
	at org.b3log.latke.http.WebSocketHandler.channelRead0(WebSocketHandler.java:47) [latke-core-3.4.30.jar:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) [netty-codec-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) [netty-codec-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) [netty-codec-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) [netty-transport-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800) [netty-transport-classes-epoll-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509) [netty-transport-classes-epoll-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407) [netty-transport-classes-epoll-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) [netty-common-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.100.Final.jar:4.1.100.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.100.Final.jar:4.1.100.Final]
	at java.lang.Thread.run(Thread.java:833) [?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "org.json.JSONObject.getInt(String)" because "preference" is null
	at org.b3log.solo.service.DataModelService.fillBlogHeader(DataModelService.java:602) ~[solo/:?]
	... 82 more

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提问之前请先看《提问的智慧》，好的问题比好的答案更有价值。
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kaka999 9 个月前无锡位置

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我们正在构建一个小众社区，大家在这里相互信任，以平等 • 自由 • 奔放的价值观进行分享交流。最终，希望大家能够找到与自己志同道合的伙伴，共同成长。

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QQ

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据说 99% 的性能瓶颈都在数据库。
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WordPress

WordPress 是一个使用 PHP 语言开发的博客平台，用户可以在支持 PHP 和 MySQL 数据库的服务器上架设自己的博客。也可以把 WordPress 当作一个内容管理系统（CMS）来使用。WordPress 是一个免费的开源项目，在 GNU 通用公共许可证（GPLv2）下授权发布。
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golang

Go 语言是 Google 推出的一种全新的编程语言，可以在不损失应用程序性能的情况下降低代码的复杂性。谷歌首席软件工程师罗布派克（Rob Pike）说：我们之所以开发 Go，是因为过去 10 多年间软件开发的难度令人沮丧。Go 是谷歌 2009 发布的第二款编程语言。
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CongSec

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职场

找到自己的位置，萌新烦恼少。
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SSL

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代码片段

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用户在该标签下分享代码片段时需在帖子标题前添加 [css] 或 [js] 用于区分代码片段类型。
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NGINX

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人工智能

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Anytype

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RabbitMQ

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Hibernate

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OneDrive

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Laravel

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开源

Open Source, Open Mind, Open Sight, Open Future!
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一些有用的避坑指南。
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让我们欢迎这对新人。哦，不好意思说错了，让我们欢迎这位新人！
新手上路，请谨慎驾驶！
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链滴

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记录生活，连接点滴

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