java.net.ConnectException：連接超時，CRM按需查詢操作

Question

嗨，大家好，請幫我這個問題，

當我執行Oracle託管型CRM操作（查詢集成隊列）有些時候，我得到這個例外......

java.net.ConnectException: Connection timed out 
    at java.net.PlainSocketImpl.socketConnect(Native Method) 
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) 
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) 
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) 
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) 
    at java.net.Socket.connect(Socket.java:579) 
    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:625) 
    at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:160) 
    at sun.net.NetworkClient.doConnect(NetworkClient.java:180) 
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) 
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) 
    at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:275) 
    at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:371) 
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) 
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:933) 
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) 
    at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1092) 
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250) 
    at com.crmit.ws2.crmoperations.CRMServices.queryEvent(CRMServices.java:2449) 
    at com.interfaceglobal.ieqframework.bo.BoIEQSync.queryIQReocrds(BoIEQSync.java:54) 
    at com.interfaceglobal.ieqframework.bo.BoIEQSync.queryIQAndSaveInDatabase(BoIEQSync.java:100) 
    at com.interfaceglobal.ieqframework.service.StartReadingIQFromCRMOD.main(StartReadingIQFromCRMOD.java:41) 

Answer 1

您可以在獲取輸出流之前調整連接超時。

urlConnection.setConnectTimeout(<Number of Milliseconds>);