AKKA HTTP報錯:requirement failed
使用akka http的spray json在把Map物件轉為json字串響應的時候報這個錯:requirement failed,檢視堆疊日誌顯示在BasicFormats這個類裡的StringJsonForamt報錯:
再進一步進入require方法:
這個require方法功能和assert相似,在這裡是判斷值是否為空,如果為空就會扔出這個異常,由此可以在程式碼裡做一下處理即可:
val columnValue = if(rs.getString(i)!=null) rs.getString(i) else ""
相關推薦
AKKA HTTP報錯:requirement failed
使用akka http的spray json在把Map物件轉為json字串響應的時候報這個錯:requirement failed,檢視堆疊日誌顯示在BasicFormats這個類裡的StringJsonForamt報錯: 再進一步進入require方法: 這個r
IDEA報錯: Clone failed: Authentication failed for 'http://10.70.XXXXXXXXXXXXXXXXX'
今天從git上匯入公司的專案,總是報錯Clone failed: Authentication failed for 'http://10.70.XXXXXXXXXXXXXX' 在網上百度了一下,大致有兩個原因: 1.沒有許可權 2.windows憑證的問題 解決
windows下安裝pywin32報錯:close failed in file object destructor:sys.excepthook is missing lost sys.stderr
ges cep 題解 ssi -i pos 搜索 pyw ima 今晚要寫搜索引擎作業,搭scrapy環境,遇到了下面問題: windows下安裝pywin32報錯:close failed in file object destructor:sys.excepthook
Error處理: android.media.MediaRecorder.start(Native Method) 報錯:start failed: -19
bsp RM hand apt zygote utf use failed 解決方法 spydroid-android測試在android4.0系統上報錯 [html] view plain copy start failed: -19 而且也發現,在
Spark運算元裡面使用JDBC連線Impala的時候報錯: ExecuteStatement failed: out of sequence response
Caused by: org.apache.thrift.TApplicationException: ExecuteStatement failed: out of sequence response 到IVE-6893] out of sequence error in
Ionic 打包報錯:CordovaError: Failed to deploy to device, no devices found.
錯誤資訊: Failed to deploy to device, no devices found. CordovaError: Failed to deploy to device, no devices found. at D:\project\eyeshot\
xcode修改類名報錯:rename failed
選中要修改類名的類, 在改類中,選中類名, 右鍵單擊-Refactor-Rename,提示報錯: rename failed 在 Stack Overflow 上搜到了 解決方案 UPDATE: 1.Close xCode 2.Go to ~/Library/D
git 報錯:error: failed to push some refs to 'https://github.com/Anderson-An/******.git'(已解決)
提交push 報錯: $ git push origin masterTo https://github.com/Anderson-An/******.git ! [rejected] master -> master (fetch first)error: failed to push some r
quartz報錯:SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-op
到quartz官網在檢視maven的配置,官網是這樣寫的: <dependency> <groupId>org.quartz-scheduler</groupId> <artifactId>quartz</a
git報錯:RPC failed; curl 18 transfer closed with outstanding read data remaining
具體報錯 fatal: The remote end hung up unexpectedly error: RPC failed; curl 18 transfer closed with outstanding read data remaining 解決方法 git
AndroidStudio佈局xml檔案檢視不顯示並報錯:Rendering failed with a known bug.
在AndroidStudio升級到2.3版本以後除了上次遇到的新增加簽名打包方案的問題,還遇到一個佈局檔案預覽檔案無法顯示,報錯如下: Rendering failed with a known bug. Please try a rebuild. 1 一再重
MBG逆向工程報錯:generate failed: Exception getting JDBC Driver: com.mysql.jdbc.Driver
修改pom檔案,逆向工程如下: <!-- 逆向工程 --> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plug
idea建立maven專案沒有src目錄報錯:idea Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin
方法一: 之所以沒src目錄是因為maven還沒載入好,右下角還有進度條在從中央倉庫讀,所以在建立maven專案的時候,加archetypeCatalog=internal 方法二: idea新建maven 出現這個問題,直接去倉庫下面repository\org\
git clone 報錯:fatal: HTTP request failed
gitgit clone https://github.com/xxxx/lilxxy.git Initialized empty Git repository in /tmp/clone123/lxyily/.git/ error: while accessing https://github.com/x
Akka HTTP部署報錯:Could not resolve substitution to a value: ${akka.stream.blocking-io-dispatcher}
在idea中使用akka http完成服務端rest介面的開發與測試後,接著就可以部署到Linux伺服器上進行測試了,因為沒有限定pom中依賴包的scope為provided,所以打包時將依賴jar包也打進了專案jar包,方便執行測試,但是專案jar包較大,後續再分離依賴的jar包。打包時候po
The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path Maven專案報錯:Failed to execute goal org.apache.maven.plugi
① The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 完整錯誤資訊: THIS SOFTWARE IS PROVIDED BY THE
eclipse更新SDK報錯:Failed to fetch URL http://dl-ssl.google.com/android/repository/repository-1
Android 開發使用eclipse時,更新sdk報錯:Failed to fetch URL http://dl-ssl.google.com/android/repository/repository-1 原因是由於國內網路訪問谷歌伺服器時“受阻”,所有需要。。。。 解決方法如下: 第一
關於Tomcat啟動報錯:Failed to initialize end point associated with ProtocolHandler ["http-apr-8080"]
這幾天Tomcat啟動老是遇見這個錯 : Failed to initialize end point associated with ProtocolHandler ["http-apr-8080"],看來是非要我記住這個教訓不可呀。 一般是 Tomcat 的預設埠被佔用
CentOS7使用ssh不能登錄,報錯:Read from socket failed: Connection reset by peer
read from socket failed: connection reset by peer使用xshell登錄CentOS7,不能登錄,使用另外一臺Linux主機,telent 22端口是同的,ssh連接報以下錯誤:Read from socket failed: Connection reset b
SCP報錯:Host key verification failed.
scp報錯:host key verification failed.1 scp報錯:REMOTE HOST IDENTIFICATION HAS CHANGED![[email protected]/* */ ~]# scp yum-3.4.3.tar.gz 10.xx.xx.12:/root@