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我正在尝试使用以下代码从文档源中获取所有文档（当前版本）的内容

IDfSysObject document = (IDfSysObject) session.getObject(new DfId(eachFileMetadata.get(some document id).toString()));
ByteArrayInputStream docContent = document.getContent();

我收到以下错误：

ObjectProtocolException:: THREAD: Thread-708; MSG: [DFC_OBJPROTO_BAD_NUMBER_FORMAT] Invalid number format for value count in serialized object; ERRORCODE: ff; NEXT: null
    at com.documentum.fc.client.impl.objectprotocol.ObjectProtocolException.newBadNumberFormatException(ObjectProtocolException.java:38)
    at com.documentum.fc.client.impl.objectprotocol.AbstractObjectProtocol.deserializeInteger(AbstractObjectProtocol.java:94)
    at com.documentum.fc.client.impl.objectprotocol.AbstractObjectProtocol.deserializeRepeatingValue(AbstractObjectProtocol.java:215)
    at com.documentum.fc.client.impl.objectprotocol.AbstractObjectProtocol.deserializeValue(AbstractObjectProtocol.java:203)
    at com.documentum.fc.client.impl.objectprotocol.ObjectProtocolV0.deserializeObject(ObjectProtocolV0.java:76)
    at com.documentum.fc.client.impl.objectprotocol.ObjectProtocolV0.deserializeObjectWithPossiblyExtendedType(ObjectProtocolV0.java:150)
    at com.documentum.fc.client.impl.objectprotocol.ObjectProtocolV0.deserializeObjectWithPreamble(ObjectProtocolV0.java:115)
    at com.documentum.fc.client.impl.connection.docbase.netwise.NetwiseDocbaseRpcClient.applyForObject(NetwiseDocbaseRpcClient.java:687)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection$8.evaluate(DocbaseConnection.java:1382)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection.evaluateRpc(DocbaseConnection.java:1141)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection.applyForObject(DocbaseConnection.java:1374)
    at com.documentum.fc.client.impl.docbase.DocbaseApi.parameterizedFetch(DocbaseApi.java:107)
    at com.documentum.fc.client.impl.objectmanager.PersistentDataManager.fetchFromServer(PersistentDataManager.java:191)
    at com.documentum.fc.client.impl.objectmanager.PersistentDataManager.getData(PersistentDataManager.java:82)
    at com.documentum.fc.client.impl.objectmanager.PersistentObjectManager.getObjectFromServer(PersistentObjectManager.java:355)
    at com.documentum.fc.client.impl.objectmanager.PersistentObjectManager.getObject(PersistentObjectManager.java:311)
    at com.documentum.fc.client.impl.session.Session.getObject(Session.java:963)
    at com.documentum.fc.client.impl.session.SessionHandle.getObject(SessionHandle.java:653)

当我试图获取文档的内容时发生上述错误，有人可以帮我吗？

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