//取檔案
@Test
public void queryFile() throws IOException {
String fileId = "5ec8cea13cc2be46e01a0e65";
/* GridFSFile gridFSFile = this.gridFsTemplate.findOne(new Query(Criteria.where("_id").is(fileId)));*/
GridFSFile gridFSFile = operations.findOne(new Query(Criteria.where("_id").is(fileId)));
GridFSDownloadStream gridFSDownloadStream = gridFSBucket.openDownloadStream(gridFSFile.getObjectId());
GridFsResource gridFsResource = new GridFsResource(gridFSFile, gridFSDownloadStream);
String content = IOUtils.toString(gridFsResource.getInputStream(), "utf-8");
System.out.println(content);
}
org.bson.BsonInvalidOperationException: Value expected to be of type DOCUMENT is of unexpected type STRING
at org.bson.BsonValue.throwIfInvalidType(BsonValue.java:419)
at org.bson.BsonValue.asDocument(BsonValue.java:47)
at org.bson.BsonDocument.getDocument(BsonDocument.java:506)
at com.mongodb.client.gridfs.codecs.GridFSFileCodec.decode(GridFSFileCodec.java:73)
at com.mongodb.client.gridfs.codecs.GridFSFileCodec.decode(GridFSFileCodec.java:48)
at com.mongodb.operation.CommandResultArrayCodec.decode(CommandResultArrayCodec.java:52)
at com.mongodb.operation.CommandResultDocumentCodec.readValue(CommandResultDocumentCodec.java:60)
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:84)
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:41)
at org.bson.codecs.configuration.LazyCodec.decode(LazyCodec.java:47)
at org.bson.codecs.BsonDocumentCodec.readValue(BsonDocumentCodec.java:101)
at com.mongodb.operation.CommandResultDocumentCodec.readValue(CommandResultDocumentCodec.java:63)
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:84)
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:41)
at com.mongodb.connection.ReplyMessage.<init>(ReplyMessage.java:51)
at com.mongodb.connection.InternalStreamConnection.receiveCommandMessageResponse(InternalStreamConnection.java:301)
at com.mongodb.connection.InternalStreamConnection.sendAndReceive(InternalStreamConnection.java:255)
at com.mongodb.connection.UsageTrackingInternalConnection.sendAndReceive(UsageTrackingInternalConnection.java:98)
at com.mongodb.connection.DefaultConnectionPool$PooledConnection.sendAndReceive(DefaultConnectionPool.java:441)
at com.mongodb.connection.CommandProtocolImpl.execute(CommandProtocolImpl.java:80)
at com.mongodb.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:189)
at com.mongodb.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:264)
at com.mongodb.connection.DefaultServerConnection.command(DefaultServerConnection.java:126)
at com.mongodb.connection.DefaultServerConnection.command(DefaultServerConnection.java:118)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:226)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:217)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:120)
at com.mongodb.operation.FindOperation$1.call(FindOperation.java:717)
at com.mongodb.operation.FindOperation$1.call(FindOperation.java:711)
at com.mongodb.operation.OperationHelper.withConnectionSource(OperationHelper.java:471)
at com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:415)
at com.mongodb.operation.FindOperation.execute(FindOperation.java:711)
at com.mongodb.operation.FindOperation.execute(FindOperation.java:83)
at com.mongodb.Mongo$3.execute(Mongo.java:826)
at com.mongodb.FindIterableImpl.first(FindIterableImpl.java:193)
at com.mongodb.client.gridfs.GridFSFindIterableImpl.first(GridFSFindIterableImpl.java:93)
at com.mongodb.client.gridfs.GridFSFindIterableImpl.first(GridFSFindIterableImpl.java:31)
at org.springframework.data.mongodb.gridfs.GridFsTemplate.findOne(GridFsTemplate.java:202)
at com.xuecheng.manage_cms.GridFsTest.queryFile(GridFsTest.java:59)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:73)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:83)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
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標籤：Java相關