请问下你是怎么连接到sap的，我现在连接报错

Unable to connect to the SAP ERP server:

Cannot get SAP function

Connect to SAP gateway failed

Connection parameters: TYPE=A DEST=BW ASHOST=IP SYSNR=21 PCS=1

LOCATION    CPIC (TCP/IP) on local host with Unicode

ERROR       partner 'IP:3322' not reached

TIME        Mon Aug 07 10:11:17 2017

RELEASE     720

COMPONENT   NI (network interface)

VERSION     40

RC          -10

MODULE      nixxi.cpp

LINE        3286

DETAIL      NiPConnect2: IP:3322

SYSTEM CALL connect

ERRNO       10060

ERRNO TEXT  WSAETIMEDOUT: Connection timed out

COUNTER     14

Possibly the SAP JCo implementation library (e.g. sapjco3.dll) does not exist or cannot be loaded. Please copy it to your libext directory! If you use version 3.0.5 or higher on Windows be sure to have MS Visual C++ 2005 SP1 Redistributable Package ATL Security Update installed.

org.pentaho.di.trans.steps.sapinput.sap.SAPException:

Cannot get SAP function

Connect to SAP gateway failed

Connection parameters: TYPE=A DEST=BW ASHOST=IPSYSNR=21 PCS=1

LOCATION    CPIC (TCP/IP) on local host with Unicode

ERROR       partner 'IP:3322 not reached

TIME        Mon Aug 07 10:11:17 2017

RELEASE     720

COMPONENT   NI (network interface)

VERSION     40

RC          -10

MODULE      nixxi.cpp

LINE        3286

DETAIL      NiPConnect2:IP:332

SYSTEM CALL connect

ERRNO       10060

ERRNO TEXT  WSAETIMEDOUT: Connection timed out

COUNTER     14

Possibly the SAP JCo implementation library (e.g. sapjco3.dll) does not exist or cannot be loaded. Please copy it to your libext directory! If you use version 3.0.5 or higher on Windows be sure to have MS Visual C++ 2005 SP1 Redistributable Package ATL Security Update installed.

at org.pentaho.di.trans.steps.sapinput.sap.impl.SAPConnectionImpl.test(SAPConnectionImpl.java:123)

at org.pentaho.di.trans.steps.sapinput.sap.impl.SAPConnectionImpl.open(SAPConnectionImpl.java:94)

at org.pentaho.di.trans.steps.sapinput.sap.impl.SAPConnectionImpl.open(SAPConnectionImpl.java:65)

at org.pentaho.di.trans.steps.sapinput.sap.SAPConnectionFactory.getConnectionTestReport(SAPConnectionFactory.java:60)

at org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2685)

at org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:546)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:601)

at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)

at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157)

at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141)

at org.pentaho.ui.xul.swt.tags.SwtButton.access$500(SwtButton.java:43)

at org.pentaho.ui.xul.swt.tags.SwtButton$4.widgetSelected(SwtButton.java:138)

at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)

at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)

at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)

at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)

at org.eclipse.jface.window.Window.open(Window.java:796)

at org.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:389)

at org.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:318)

at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:116)

at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:59)

at org.pentaho.di.ui.trans.step.BaseStepDialog$5.widgetSelected(BaseStepDialog.java:770)

at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)

at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)

at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)

at org.pentaho.di.ui.trans.steps.tableinput.TableInputDialog.open(TableInputDialog.java:435)

at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:124)

at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:8720)

at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:3027)

at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:744)

at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)

at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)

at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)

at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1310)

at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7931)

at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9202)

at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:648)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:601)

at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)