LockException (Google App Engine API for Java)
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- java.lang.Object
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- java.lang.Throwable
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- java.lang.Exception
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- java.io.IOException
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- com.google.appengine.api.files.LockException
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- All Implemented Interfaces:
- java.io.Serializable
Deprecated.
@Deprecated
public class LockException
extends java.io.IOException
An exception that indicates one of two possible cases:
- An exclusive lock on a file is held by a different App Engine request and
so the file may not be accessed in this request
- This request is trying to acquire an exclusive lock on a file but the
file is already opened in a different App Engine request
- See Also:
- Serialized Form
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Method Summary
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Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
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Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Last updated 2025-06-16 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-16 UTC."],[[["`LockException` is a deprecated class in the `com.google.appengine.api.files` package, extending `java.io.IOException`."],["This exception signals that a file cannot be accessed because either another request holds an exclusive lock, or the current request is trying to acquire a lock on a file that's already open."],["The class implements the `java.io.Serializable` interface."],["`LockException` inherits several methods from `java.lang.Throwable` and `java.lang.Object`."]]],[]]
