PLUGIN-1928: Update read time out to 5min and add retry for SocketException.

Author: sgarg-CS

src/main/java/io/cdap/plugin/servicenow/apiclient/ServiceNowAPIException.java

@@ -7,6 +7,7 @@
 import org.apache.http.conn.ConnectTimeoutException;
 import org.apache.oltu.oauth2.common.exception.OAuthSystemException;
 
+import java.net.SocketException;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
@@ -67,6 +68,7 @@ public boolean isErrorRetryable() {
     Throwable t = this.getCause();
     return t instanceof OAuthSystemException
         || t instanceof ConnectTimeoutException
+        || t instanceof SocketException
         || (this.getMessage() != null
         && this.getMessage().contains(ServiceNowConstants.MAXIMUM_EXECUTION_TIME_EXCEEDED))
         || RETRYABLE_CODES.contains(getStatusCode());

src/main/java/io/cdap/plugin/servicenow/restapi/RestAPIClient.java

@@ -43,6 +43,8 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.net.SocketException;
+import java.net.SocketTimeoutException;
 import java.util.Collections;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
@@ -58,7 +60,7 @@ public abstract class RestAPIClient {
   private static final int DEFAULT_CONNECT_TIMEOUT_MS = 12000;
 
   /* Read Timeout in ms for waiting for data after the connection is established */
-  private static final int DEFAULT_READ_TIMEOUT_MS = 3600;
+  private static final int DEFAULT_READ_TIMEOUT_MS = 300000;
 
   private static final RequestConfig requestConfig = RequestConfig.custom()
     .setConnectTimeout(DEFAULT_CONNECT_TIMEOUT_MS)
@@ -79,7 +81,7 @@ public RestAPIResponse executeGet(RestAPIRequest request) throws IOException {
       try (CloseableHttpResponse httpResponse = httpClient.execute(httpGet)) {
         return RestAPIResponse.parse(httpResponse, request.getResponseHeaders());
       }
-    } catch (ConnectTimeoutException e) {
+    } catch (ConnectTimeoutException | SocketException e) {
       ServiceNowAPIException exception = new ServiceNowAPIException(e, null);
       return new RestAPIResponse(Collections.emptyMap(), null, exception);
     }