DruidDataSource support initExceptionThrow config.

src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java

@@ -2027,6 +2027,20 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
         return onFatalError;
     }
 
+    /**
+     * @ since 1.1.11
+     */
+    public boolean isInitExceptionThrow() {
+        return initExceptionThrow;
+    }
+
+    /**
+     * @ since 1.1.11
+     */
+    public void setInitExceptionThrow(boolean initExceptionThrow) {
+        this.initExceptionThrow = initExceptionThrow;
+    }
+
     public static class PhysicalConnectionInfo {
         private Connection connection;
         private long connectStartNanos;

src/main/java/com/alibaba/druid/pool/DruidDataSource.java

@@ -887,7 +887,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
             initedTime = new Date();
             registerMbean();
 
-            if (connectError != null && poolingCount == 0) {
+            if (connectError != null && poolingCount == 0 && !(initExceptionThrow && !asyncInit)) {
                 throw connectError;
             }
 

src/test/java/com/alibaba/druid/bvt/pool/InitExceptionThrowTest.java

@@ -0,0 +1,38 @@
+package com.alibaba.druid.bvt.pool;
+
+import com.alibaba.druid.mock.MockDriver;
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.pool.DruidPooledConnection;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Properties;
+
+public class InitExceptionThrowTest extends TestClone {
+    private DruidDataSource dataSource = new DruidDataSource();
+
+    private int connectCount = 0;
+
+    protected void setUp() throws Exception {
+        dataSource.setInitExceptionThrow(true);
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setDriver(new MockDriver() {
+            public Connection connect(String url, Properties info) throws SQLException {
+                if (connectCount++ < 1) {
+                    throw new SQLException("");
+                }
+                return super.connect(url, info);
+            }
+        });
+        dataSource.setInitialSize(2);
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void test_pool() throws Exception {
+        DruidPooledConnection conn = dataSource.getConnection();
+        conn.close();
+    }
+}