Solo 初始化过程中出现问题

本贴最后更新于 339 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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    链书(Chainbook)是 B3log 开源社区提供的区块链纸质书交易平台,通过 B3T 实现共享激励与价值链。可将你的闲置书籍上架到链书,我们共同构建这个全新的交易平台,让闲置书籍继续发挥它的价值。

    链书社

    链书目前已经下线,也许以后还有计划重制上线。

    14 引用 • 257 回帖 • 6 关注
  • RIP

    愿逝者安息!

    8 引用 • 92 回帖 • 412 关注
  • Google

    Google(Google Inc.,NASDAQ:GOOG)是一家美国上市公司(公有股份公司),于 1998 年 9 月 7 日以私有股份公司的形式创立,设计并管理一个互联网搜索引擎。Google 公司的总部称作“Googleplex”,它位于加利福尼亚山景城。Google 目前被公认为是全球规模最大的搜索引擎,它提供了简单易用的免费服务。不作恶(Don't be evil)是谷歌公司的一项非正式的公司口号。

    49 引用 • 192 回帖
  • 深度学习

    深度学习(Deep Learning)是机器学习的分支,是一种试图使用包含复杂结构或由多重非线性变换构成的多个处理层对数据进行高层抽象的算法。

    43 引用 • 44 回帖
  • SSL

    SSL(Secure Sockets Layer 安全套接层),及其继任者传输层安全(Transport Layer Security,TLS)是为网络通信提供安全及数据完整性的一种安全协议。TLS 与 SSL 在传输层对网络连接进行加密。

    70 引用 • 193 回帖 • 413 关注
  • Q&A

    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。

    10310 引用 • 46818 回帖 • 63 关注
  • Ubuntu

    Ubuntu(友帮拓、优般图、乌班图)是一个以桌面应用为主的 Linux 操作系统,其名称来自非洲南部祖鲁语或豪萨语的“ubuntu”一词,意思是“人性”、“我的存在是因为大家的存在”,是非洲传统的一种价值观,类似华人社会的“仁爱”思想。Ubuntu 的目标在于为一般用户提供一个最新的、同时又相当稳定的主要由自由软件构建而成的操作系统。

    127 引用 • 169 回帖
  • 支付宝

    支付宝是全球领先的独立第三方支付平台,致力于为广大用户提供安全快速的电子支付/网上支付/安全支付/手机支付体验,及转账收款/水电煤缴费/信用卡还款/AA 收款等生活服务应用。

    29 引用 • 347 回帖
  • 叶归
    14 引用 • 62 回帖 • 26 关注
  • Swagger

    Swagger 是一款非常流行的 API 开发工具,它遵循 OpenAPI Specification(这是一种通用的、和编程语言无关的 API 描述规范)。Swagger 贯穿整个 API 生命周期,如 API 的设计、编写文档、测试和部署。

    26 引用 • 35 回帖 • 4 关注
  • 资讯

    资讯是用户因为及时地获得它并利用它而能够在相对短的时间内给自己带来价值的信息,资讯有时效性和地域性。

    56 引用 • 85 回帖 • 4 关注
  • PostgreSQL

    PostgreSQL 是一款功能强大的企业级数据库系统,在 BSD 开源许可证下发布。

    22 引用 • 22 回帖 • 3 关注
  • 创业

    你比 99% 的人都优秀么?

    81 引用 • 1395 回帖 • 2 关注
  • 运维

    互联网运维工作,以服务为中心,以稳定、安全、高效为三个基本点,确保公司的互联网业务能够 7×24 小时为用户提供高质量的服务。

    151 引用 • 257 回帖
  • TensorFlow

    TensorFlow 是一个采用数据流图(data flow graphs),用于数值计算的开源软件库。节点(Nodes)在图中表示数学操作,图中的线(edges)则表示在节点间相互联系的多维数据数组,即张量(tensor)。

    20 引用 • 19 回帖
  • GraphQL

    GraphQL 是一个用于 API 的查询语言,是一个使用基于类型系统来执行查询的服务端运行时(类型系统由你的数据定义)。GraphQL 并没有和任何特定数据库或者存储引擎绑定,而是依靠你现有的代码和数据支撑。

    4 引用 • 3 回帖 • 5 关注
  • Follow
    4 引用 • 12 回帖 • 9 关注
  • 新人

    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!

    52 引用 • 228 回帖
  • Sillot

    Insights(注意当前设置 master 为默认分支)

    汐洛彖夲肜矩阵(Sillot T☳Converbenk Matrix),致力于服务智慧新彖乄,具有彖乄驱动、极致优雅、开发者友好的特点。其中汐洛绞架(Sillot-Gibbet)基于自思源笔记(siyuan-note),前身是思源笔记汐洛版(更早是思源笔记汐洛分支),是智慧新录乄终端(多端融合,移动端优先)。

    主仓库地址:Hi-Windom/Sillot

    文档地址:sillot.db.sc.cn

    注意事项:

    1. ⚠️ 汐洛仍在早期开发阶段,尚不稳定
    2. ⚠️ 汐洛并非面向普通用户设计,使用前请了解风险
    3. ⚠️ 汐洛绞架基于思源笔记,开发者尽最大努力与思源笔记保持兼容,但无法实现 100% 兼容
    29 引用 • 25 回帖 • 142 关注
  • API

    应用程序编程接口(Application Programming Interface)是一些预先定义的函数,目的是提供应用程序与开发人员基于某软件或硬件得以访问一组例程的能力,而又无需访问源码,或理解内部工作机制的细节。

    79 引用 • 431 回帖
  • 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。

    500 引用 • 1396 回帖 • 255 关注
  • 学习

    “梦想从学习开始,事业从实践起步” —— 习近平

    172 引用 • 541 回帖