Cassandra Datastax驱动程序-Guava-CodeRegistry.findCodec NullPointerException
出乎意料的是,我开始在Cassandra的Datastax驱动程序3.2版中得到一个NullPointerException 我真的不明白发生了什么事。99%的情况下,同样的查询似乎有效,但偶尔我会发现:Cassandra Datastax驱动程序-Guava-CodeRegistry.findCodec NullPointerException,cassandra,guava,datastax-java-driver,Cassandra,Guava,Datastax Java Driver,出乎意料的是,我开始在Cassandra的Datastax驱动程序3.2版中得到一个NullPointerException 我真的不明白发生了什么事。99%的情况下,同样的查询似乎有效,但偶尔我会发现: java.lang.NullPointerException: Parameter value cannot be null at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:228)
java.lang.NullPointerException: Parameter value cannot be null
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:228)
at com.datastax.driver.core.CodecRegistry.findCodec(CodecRegistry.java:524)
at com.datastax.driver.core.CodecRegistry.maybeCreateCodec(CodecRegistry.java:642)
at com.datastax.driver.core.CodecRegistry.createCodec(CodecRegistry.java:550)
at com.datastax.driver.core.CodecRegistry.findCodec(CodecRegistry.java:532)
at com.datastax.driver.core.CodecRegistry.codecFor(CodecRegistry.java:407)
at com.datastax.driver.core.querybuilder.Utils.appendValue(Utils.java:98)
at com.datastax.driver.core.querybuilder.Assignment$SetAssignment.appendTo(Assignment.java:57)
at com.datastax.driver.core.querybuilder.Utils.joinAndAppend(Utils.java:44)
at com.datastax.driver.core.querybuilder.Update.buildQueryString(Update.java:73)
at com.datastax.driver.core.querybuilder.BuiltStatement.toString(BuiltStatement.java:295)
at com.datastax.driver.core.querybuilder.BuiltStatement$ForwardingStatement.toString(BuiltStatement.java:446)
at com.datastax.driver.core.querybuilder.Update$Where.toString(Update.java:227)
at ....my code here
你知道发生了什么事吗
谢谢 猜测您的答案在您的问题中:参数值不能为空