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我使用的是Hazelcast 2.5。最近我們在我們的生產服務器上發現了「APPARENT DEADLOCK」問題。我們發現升級到Hazelcast 3.0或更高版本可以解決問題。現在，當我嘗試升級到3.1時，我在ApplicationContext.xml中遇到以下錯誤，它不再識別命名空間「hz」。升級到3.1之前將Hazelcast從2.5升級到3.1
的applicationContext-hazelcast.xml內容（去掉了一些命名空間）
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:hz="http://www.hazelcast.com/schema/spring"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd
http://www.hazelcast.com/schema/spring http://www.hazelcast.com/schema/spring/hazelcast-spring-2.5.xsd">
的applicationContext-hazelcast.xml內容升級到3.1後（去掉了一些命名空間）
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:hz="http://www.hazelcast.com/schema/spring"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd
http://www.hazelcast.com/schema/spring http://www.hazelcast.com/schema/spring/hazelcast-spring-3.1.xsd">
錯誤消息：
Multiple annotations found at this line:
- schema_reference.4: Failed to read schema document 'http://www.hazelcast.com/schema/spring/hazelcast-spring-3.1.xsd', because 1) could not find the document; 2) the document could not be read; 3)
the root element of the document is not <xsd:schema>.
- cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'hz:hazelcast'.
我該怎麼做？