[hotfix] Update ollam4j version to resolve tool call exception. (#324)

Author: wenjin272

integrations/chat-models/ollama/src/main/java/org/apache/flink/agents/integrations/chatmodels/ollama/OllamaChatModelConnection.java

@@ -23,6 +23,7 @@
 import io.github.ollama4j.exceptions.RoleNotFoundException;
 import io.github.ollama4j.models.chat.*;
 import io.github.ollama4j.models.request.OllamaChatEndpointCaller;
+import io.github.ollama4j.models.request.ThinkMode;
 import io.github.ollama4j.tools.Tools;
 import org.apache.flink.agents.api.chat.messages.ChatMessage;
 import org.apache.flink.agents.api.chat.messages.MessageRole;
@@ -192,7 +193,7 @@ public ChatMessage chat(
                     OllamaChatRequest.builder()
                             .withMessages(ollamaChatMessages)
                             .withModel((String) arguments.get("model"))
-                            .withThinking(extractReasoning)
+                            .withThinking(extractReasoning ? ThinkMode.ENABLED : ThinkMode.DISABLED)
                             .withUseTools(false)
                             .build();
 

integrations/pom.xml

@@ -31,7 +31,7 @@ under the License.
     <packaging>pom</packaging>
 
     <properties>
-        <ollama4j.version>1.1.2</ollama4j.version>
+        <ollama4j.version>1.1.5</ollama4j.version>
     </properties>
 
     <modules>