why autodetect option not available for me?

I am trying to use autowire="autodetect"..

In eclipse code suggest does not show me autodete开发者_如何转开发ct as the option..But it shows other values like byname,bytype,constructor..

whats missing in my application?

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It's not offering you autodetect because (according to the documentation), autodetect isn't an option. The valid options are byName, byType amd constructor.

Incidentally, this kind of autowiring is seriously old-fashioned. The annotations @Autowired and @Inject offer much better control over autowiring - see docs.

update: The autodetect option was deprecated as of Spring 3.x, and so it no longer appears in the documentation. It should still work, however (see the javadoc), so I was wrong to originally say that it wasn't an option.

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The autodetect option is deprecated.

In the newer versions of Spring Framework 4.1.6 I get the following exception:

Caused by: org.xml.sax.SAXParseException; lineNumber: 7; columnNumber: 83; cvc-enumeration-valid: Value 'autodetect' is not facet-valid with respect to enumeration '[default, no, byName, byType, constructor]'. It must be a value from the enumeration.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)

which basically means that now autowire can have only four possible values i.e. [default, no, byName, byType, constructor]