stale link..Exception

本文解决了Tapestry框架中StaleLink问题,通过为For组件所在的tr标签添加volatile=true属性,有效避免了大量数据加载时出现的StaleLink错误。

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一个纠结许久的问题终于被解决!
Tapestry学习资料真难找,很多问题只有自己去悟,官方的文档还真是翻译不了,网上也是少之甚少.(也许是我没找着)...

来看看勒哥让人蛋疼的stale link...

(略写)页面代码:

<form name="Form0" jwcid="Form0@Form" listener="listener:forSubmit"
id="Form0">

<table xxxx>
<tr>
<th scope="col">xxxx</th>
<th scope="col">xxxx</th>
</tr>

<tr jwcid="@For" source="ognl:resultList" value="ognl:tempJO" element="tr">
<td>
<span>jwcid="@Insert"value="ognl:tempJO.tiaoma">xx</span>
</td>
<td>
<span>jwcid="@Insert"value="ognl:tempJO.tiaoma">xx</span>
</td>
<td>
<button type="button" jwcid="@Button">xxx</button>
</td>
</tr>
</table>
</form>


如上,代码是没什么问题,经过测试也成功.不过勒只是插上百来行数据,如果数据超过1000,或是更多,stale link 便出来勒。。在网上面找勒很多资料,似乎都没介绍如何处理这种情况的,我也是抱着试一试的心态,为For组件所在tr内 加勒一个属性: [color=red]volatile=“true”[/color].
重启服务器,http:localhost....
stale link消失。。。页面正常显示.
关于这个属性的具体内容,可以查看Tapestry4.1官方提供的组件API http://tapestry.apache.org/tapestry4.1/ 。本人英语水平有限,不能给出非常准确的翻译。这个我想等回家以后静下心来提高这篇文章的质量。到时候何大家分享!
FATAL EXCEPTION: main Process: com.tplink.vigi, PID: 3108 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tplink.vigi/com.tplink.ipc.ui.deviceSetting.recordPlan.SettingRecordPlanSelectActivity}: android.view.InflateException: Binary XML file line #52 in com.tplink.vigi:layout/activity_setting_record_plan_select: Binary XML file line #52 in com.tplink.vigi:layout/activity_setting_record_plan_select: Error inflating class com.tplink.ipc.common.commonView.TPSecurTwoLineItemView at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3809) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3971) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2373) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:233) at android.os.Looper.loop(Looper.java:344) at android.app.ActivityThread.main(ActivityThread.java:8200) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:589) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1071) Caused by: android.view.InflateException: Binary XML file line #52 in com.tplink.vigi:layout/activity_setting_record_plan_select: Binary XML file line #52 in com.tplink.vigi:layout/activity_setting_record_plan_select: Error inflating class com.tplink.ipc.common.commonView.TPSecurTwoLineItemView Caused by: android.view.InflateException: Binary XML file line #52 in com.tplink.vigi:layout/activity_setting_record_plan_select: Error inflating class com.tplink.ipc.common.commonView.TPSecurTwoLineItemView Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.newInstance0(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:343) at android.view.LayoutInflater.createView(LayoutInflater.java:858) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1014) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:965) at android.view.LayoutInflater.rInflate(LayoutInflater.java:1144) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1105) at android.view.LayoutInflater.rInflate(LayoutInflater.java:1147) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1105) at android.view.LayoutInflater.inflate(LayoutInflater.java:686) at android.view.LayoutInflater.inflate(LayoutInflater.java:538) at android.view.LayoutInflater.inflate(LayoutInflater.java:485) at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:775) at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:197) at androidx.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:303) at androidx.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:284) at com.tplink.ipc.ui.deviceSetting.recordPlan.SettingRecordPlanSelectActivity.initView(SettingRecordPlanSelectActivity.kt:134) at com.tplink.ipc.ui.deviceSetting.recordPlan.SettingRecordPlanSelectActivity.onCreate(SettingRecordPlanSelectActivity.kt:89) at android.app.Activity.performCreate(Activity.java:8130) at android.app.Activity.performCreate(Activity.java:8110) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1343) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3778) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3971) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 2025-07-31 13:50:40.650 3108-3108 AndroidRuntime com.tplink.vigi E at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2373) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:233) at android.os.Looper.loop(Looper.java:344) at android.app.ActivityThread.main(ActivityThread.java:8200) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:589) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1071) Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object kotlin.Lazy.getValue()' on a null object reference at com.tplink.design.list.TPTwoLineItemView.getItemViewHelper(TPListItemView.kt:618) at com.tplink.design.list.TPListItemView.setOnClickListener(TPListItemView.kt:376) at android.view.View.<init>(View.java:5840) at android.view.ViewGroup.<init>(ViewGroup.java:707) at androidx.constraintlayout.widget.ConstraintLayout.<init>(ConstraintLayout.java:598) at com.tplink.design.list.TPListItemView.<init>(TPListItemView.kt:54) at com.tplink.design.list.TPTwoLineItemView.<init>(TPListItemView.kt:614) at com.tplink.design.list.TPTwoLineItemView.<init>(TPListItemView.kt:609) at com.tplink.ipc.common.commonView.TPSecurTwoLineItemView.<init>(TPSecurTwoLineItemView.kt:13) ... 34 more
最新发布
08-01
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