2
當我運行從https://github.com/ibm-messaging/message-hub-samples我得到下面的異常卡夫卡機消息中心的示例代碼：FileNotFoundException異常運行消息中心示例代碼
Exception in thread "main" org.apache.kafka.common.KafkaException: Failed to construct kafka producer
at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:320)
at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:180)
at com.example.ProducerRunnable.<init>(ProducerRunnable.java:44)
at com.example.KafkaNativeSample.createMessageProducer(KafkaNativeSample.java:113)
at com.example.KafkaNativeSample.main(KafkaNativeSample.java:65)
Caused by: org.apache.kafka.common.KafkaException: org.apache.kafka.common.KafkaException: java.io.FileNotFoundException:
at org.apache.kafka.common.network.SSLChannelBuilder.configure(SSLChannelBuilder.java:45)
at org.apache.kafka.common.network.ChannelBuilders.create(ChannelBuilders.java:49)
at org.apache.kafka.clients.ClientUtils.createChannelBuilder(ClientUtils.java:79)
at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:270)
... 4 more
Caused by: org.apache.kafka.common.KafkaException: java.io.FileNotFoundException:
at org.apache.kafka.common.security.ssl.SSLFactory.configure(SSLFactory.java:99)
at org.apache.kafka.common.network.SSLChannelBuilder.configure(SSLChannelBuilder.java:41)
... 7 more
Caused by: java.io.FileNotFoundException:
at java.io.FileInputStream.<init>(FileInputStream.java:156)
at java.io.FileInputStream.<init>(FileInputStream.java:111)
at org.apache.kafka.common.security.ssl.SSLFactory$SecurityStore.load(SSLFactory.java:201)
at org.apache.kafka.common.security.ssl.SSLFactory$SecurityStore.access$000(SSLFactory.java:186)
at org.apache.kafka.common.security.ssl.SSLFactory.createSSLContext(SSLFactory.java:123)
at org.apache.kafka.common.security.ssl.SSLFactory.configure(SSLFactory.java:97)
... 8 more
缺失是什麼文件？