Tomocat：安裝完成，顯示HTTP Status 404

  今天在配置服務器，並且安裝完成，tomocat服務器也正常運行的情況下，點擊login，界面顯示HTTP Status 404，這讓我百思不得其解，於是就開始了我的分析之路：錯誤如圖（不過404的界面似乎都長這樣）

 

1：查看tomocat服務器是否正常運行，查看web服務器的運行時長，發現刷新時間正常；

2：查看login時打開的html界面login.html是否存在，找到相應路徑下查看login.html，單獨以瀏覽器的方式打開正常；

3：以可視化的界面打開tomocat或者直接在logs中查看日志，直接查看錯誤原因；

2017-6-27 14:23:23 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
嚴重: The web application [/gpsweb] registered the JDBC driver [com.microsoft.sqlserver.jdbc.SQLServerDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
2017-6-27 14:23:23 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
嚴重: The web application [/gpsweb] appears to have started a thread named [Timer-1] but has failed to stop it. This is very likely to create a memory leak.
2017-6-27 14:23:23 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
嚴重: The web application [/gpsweb] appears to have started a thread named [Thread-8] but has failed to stop it. This is very likely to create a memory leak.
2017-6-27 14:23:23 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2017-6-27 14:23:23 org.apache.jk.common.ChannelSocket init
信息: JK: 

　　

出現如圖所示原因，E:\Program Files (x86)tomcat\conf\Catalina\localhost，找到如下路徑，刪除下面兩個xml文件，重啟tomocat

 

4：出現如下錯誤：

驅動程序無法通過使用安全套接字層(SSL)加密與 SQL Server 建立安全連接

  則應該查看數據庫端口是否能通。sql server 的端口為1433 cmd--telnet ip 1433，查看1433端口。

 如果無法確認是否為數據庫鏈接問題，則可以通過修改jdbc文件鏈接到其他1433端口通的數據庫，查看服務能否正常啟動

Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: 驅動程序無法通過使用安全套接字層(SSL)加密與 SQL Server 建立安全連接。錯誤:“java.lang.RuntimeException: Could not generate DH keypair”。
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:1368)
        at com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:1412)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1058)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:833)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:716)
        at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:841)
        at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
        at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)
        at org.apache.commons.dbcp.B