android 三星手机打开数据库出问题

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#58 opened on Mar 30, 2017 1 comment 0 reactions 0 assignees View on GitHub

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Dominant language: Java
Stars: 1.5k
Forks: 359
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Description

ava.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteQuery: SELECT * FROM sqlite_master WHERE type='table' ORDER BY name
at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:55)
at android.database.sqlite.SQLiteQuery.fillWindow(SQLiteQuery.java:58)
at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:143)
at android.database.sqlite.SQLiteCursor.getCount(SQLiteCursor.java:132)
at com.litesuits.orm.db.assit.Querier.doQuery(Querier.java:27)
at com.litesuits.orm.db.TableManager.initAllTablesFromSQLite(TableManager.java:245)
at com.litesuits.orm.db.TableManager.initSqlTable(TableManager.java:78)
at com.litesuits.orm.db.TableManager.(TableManager.java:73)
at com.litesuits.orm.LiteOrm.openOrCreateDatabase(LiteOrm.java:86)
at com.litesuits.orm.LiteOrm.(LiteOrm.java:75)
at com.litesuits.orm.db.impl.SingleSQLiteImpl.(SingleSQLiteImpl.java:31)
at com.litesuits.orm.db.impl.SingleSQLiteImpl.newInstance(SingleSQLiteImpl.java:36)
at com.litesuits.orm.LiteOrm.newSingleInstance(LiteOrm.java:119)
at com.uns.utils.LiteOrmDBUtil.createDb(LiteOrmDBUtil.java:28)

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First steps

Read the whole issue, then the project's contributing guide.
Comment on the issue to say you are picking it up — it saves two people doing the same work.
Fork the repository and make your change on a branch.
Open a pull request that references the issue number.

Research direction

Start with LiteOrm.openOrCreateDatabase and TableManager.initAllTablesFromSQLite, following the stack into Querier.doQuery and the SQLiteQuery failure. Reproduce the database-opening failure on the reported Samsung device and verify that opening the database completes without the closed-object exception.

Written by the indexing model from the issue text.

Assessment

Tech stack: android, java, sqlite
Domain: database, mobile
Issue type: Bug
Difficulty: 4/5
Estimated time: 3-5 days
Activity status: Stale
Clarity: Needs clarification
Newbie friendliness: 25/100