本文记录了一次Android应用由于网络请求过多导致内存溢出的问题，错误表现为'Could not allocate CursorWindow'。解决方案是减少网络请求数量以避免内存过度消耗。通过Android Studio的性能分析工具定位并解决了问题。
Could not allocate CursorWindow '/data/data/com.wbm.app.activity/databases/cashierDB.db' of size 2097152 due to error -12.
07-26 16:28:14.067 9407-9654/? W/System.err: android.database.CursorWindowAllocationException: Cursor window allocation of 2048 kb failed.
07-26 16:28:14.067 9407-9654/? W/System.err: at android.database.CursorWindow.<init>(CursorWindow.java:104)
07-26 16:28:14.067 9407-9654/? W/System.err: at android.database.AbstractWindowedCursor.clearOrCreateWindow(AbstractWindowedCursor.java:198)
07-26 16:28:14.067 9407-9654/? W/System.err: at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:139)
07-26 16:28:14.067 9407-9654/? W/System.err: at android.database.sqlite.SQLiteCursor.getCount(SQLiteCursor.java:133)
07-26 16:28:14.067 9407-9654/? W/System.err: at android.database.AbstractCursor.moveToPosition(AbstractCursor.java:197)
07-26 16:28:14.067 9407-9654/? W/System.err: at android.database.AbstractCursor.moveToFirst(AbstractCursor.java:237)
07-26 16:28:14.067 9407-9654/? W/System.err: at org.litepal.crud.DataHandler.query(DataHandler.java:126)
07-26 16:28:14.067 9407-9654/? W/System.err: at org.litepal.crud.QueryHandler.onFind(QueryHandler.java:154)
07-26 16:28:14.067 9407-9654/? W/System.err: at org.litepal.crud.ClusterQuery.find(ClusterQuery.java:212)
07-26 16:28:14.067 9407-9654/? W/System.err: at org.litepal.crud.ClusterQuery.find(ClusterQuery.java:188)
07-26 16:28:14.067 9407-9654/? W/System.err: at com.wbm.app.business.service.RetailOrderService.findRetailOrderByTidOrOutId(RetailOrderService.java:471)
07-26 16:28:14.067 9407-9654/? W/System.err: at com.wbm.app.business.schedule.ScheduleTaskSchedule.orderCreateSync2Cloud(ScheduleTaskSchedule.java:149)
07-26 16:28:14.067 9407-9654/? W/System.err: at com.wbm.app.business.schedule.ScheduleTaskSchedule$8.run(ScheduleTaskSchedule.java:259)
07-26 16:28:14.067 9407-9654/? W/System.err: at java.lang.Thread.run(Thread.java:841)
07-26 16:28:14.567 9407-9631/? E/CursorWindow: Could not allocate CursorWindow '/data/data/com.wbm.app.activity/databases/cashierDB.db' of size 2097152 due to error -12.
07-26 16:28:14.567 9407-9631/? W/System.err: android.database.CursorWindowAllocationException: Cursor window allocation of 2048 kb failed.
07-26 16:28:14.567 9407-9631/? W/System.err: at android.database.CursorWindow.<init>(CursorWindow.java:104)
07-26 16:28:14.567 9407-9631/? W/System.err: at android.database.AbstractWindowedCursor.clearOrCreateWindow(AbstractWindowedCursor.java:198)
07-26 16:28:14.567 9407-9631/? W/System.err: at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:139)
07-26 16:28:14.567 9407-9631/? W/System.err: at android.database.sqlite.SQLiteCursor.getCount(SQLiteCursor.java:133)
07-26 16:28:14.567 9407-9631/? W/System.err: at android.database.AbstractCursor.moveToPosition(AbstractCursor.java:197)
07-26 16:28:14.567 9407-9631/? W/System.err: at android.database.AbstractCursor.moveToFirst(AbstractCursor.java:237)
07-26 16:28:14.567 9407-9631/? W/System.err: at org.litepal.crud.DataHandler.query(DataHandler.java:126)
07-26 16:28:14.567 9407-9631/? W/System.err: at org.litepal.crud.QueryHandler.onFind(QueryHandler.java:154)
07-26 16:28:14.567 9407-9631/? W/System.err: at org.litepal.crud.ClusterQuery.find(ClusterQuery.java:212)
07-26 16:28:14.567 9407-9631/? W/System.err: at org.litepal.crud.ClusterQuery.find(ClusterQuery.java:188)
07-26 16:28:14.567 9407-9631/? W/System.err: at com.wbm.app.business.service.AssociateReportService.findAssociateReportByAccount(AssociateReportService.java:161)
07-26 16:28:14.567 9407-9631/? W/System.err: at com.wbm.app.business.service.AssociateReportService.currentCashierAdd(AssociateReportService.java:23)
07-26 16:28:14.567 9407-9631/? W/System.err: at com.wbm.app.business.service.RetailOrderService$3.doInTransaction(RetailOrderService.java:298)
07-26 16:28:14.567 9407-9631/? W/System.err: at com.wbm.app.business.transaction.CarriageTransactionTemplate.execute(CarriageTransactionTemplate.java:21)
07-26 16:28:14.567 9407-9631/? W/System.err: at com.wbm.app.business.service.RetailOrderService.save(RetailOrderService.java:236)
07-26 16:28:14.567 9407-9631/? W/System.err: at com.wbm.app.activity.SettlementActivity$17$3.run(SettlementActivity.java:751)
07-26 16:28:14.567 9407-9631/? W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
07-26 16:28:14.567 9407-9631/? W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
07-26 16:28:14.567 9407-9631/? W/System.err: at java.lang.Thread.run(Thread.java:841)
07-26 16:28:14.577 9407-9631/? W/dalvikvm: threadid=23: thread exiting with uncaught exception (group=0x415612e8)
07-26 16:28:14.607 9407-9631/? E/AndroidRuntime: FATAL EXCEPTION: pool-5-thread-1
Process: com.wbm.app.activity, PID: 9407
org.litepal.exceptions.DataSupportException: Cursor window allocation of 2048 kb failed.
at com.wbm.app.business.transaction.CarriageTransactionTemplate.execute(CarriageTransactionTemplate.java:26)
at com.wbm.app.business.service.RetailOrderService.save(RetailOrderService.java:236)
at com.wbm.app.activity.SettlementActivity$17$3.run(SettlementActivity.java:751)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
原因分析：
经过上网查找资料以及自己的分析，这个是因为Out Of Memery，
而导致这个内存溢出的原因，我这里是因为我这里为了测试断网的状态下软件的情况，所以网络是断开的，这个时候，我的一部分代码会发送上千条的网络请求，
所以这个直接导致我的软件挂掉了，并且报了这个错误。
所以我这里的解决的办法就是减少网络请求的数量。
分析的过程：
主要是通过android studio 自带的工具
点击我们要测试的app，然后点击上面的update Thread，然后看右边的那一栏就可以看到当前的线程了
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