|  | @@ -77,7 +77,7 @@ public class SessionRegistryImpl implements SessionRegistry,
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				|  |  |      }
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				|  |  |      public SessionInformation getSessionInformation(String sessionId) {
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				|  |  | -        Assert.hasText(sessionId, "SessionId required as per inerface contract");
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				|  |  | +        Assert.hasText(sessionId, "SessionId required as per interface contract");
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				|  |  |  
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				|  |  |          return (SessionInformation) sessionIds.get(sessionId);
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				|  |  |      }
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				|  | @@ -90,7 +90,7 @@ public class SessionRegistryImpl implements SessionRegistry,
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				|  |  |      }
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				|  |  |  
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				|  |  |      public void refreshLastRequest(String sessionId) {
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				|  |  | -        Assert.hasText(sessionId, "SessionId required as per inerface contract");
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				|  |  | +        Assert.hasText(sessionId, "SessionId required as per interface contract");
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				|  |  |  
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				|  |  |          SessionInformation info = getSessionInformation(sessionId);
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				|  |  |  
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				|  | @@ -101,8 +101,8 @@ public class SessionRegistryImpl implements SessionRegistry,
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				|  |  |  
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				|  |  |      public void registerNewSession(String sessionId, Object principal)
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				|  |  |          throws SessionAlreadyUsedException {
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				|  |  | -        Assert.hasText(sessionId, "SessionId required as per inerface contract");
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				|  |  | -        Assert.notNull(principal, "Principal required as per inerface contract");
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				|  |  | +        Assert.hasText(sessionId, "SessionId required as per interface contract");
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				|  |  | +        Assert.notNull(principal, "Principal required as per interface contract");
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				|  |  |  
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				|  |  |          if (getSessionInformation(sessionId) != null) {
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				|  |  |              throw new SessionAlreadyUsedException("Session " + sessionId
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				|  | @@ -124,7 +124,7 @@ public class SessionRegistryImpl implements SessionRegistry,
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				|  |  |      }
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				|  |  |  
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				|  |  |      public void removeSessionInformation(String sessionId) {
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				|  |  | -        Assert.hasText(sessionId, "SessionId required as per inerface contract");
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				|  |  | +        Assert.hasText(sessionId, "SessionId required as per interface contract");
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				|  |  |  
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				|  |  |          SessionInformation info = getSessionInformation(sessionId);
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