java.lang.IllegalArgumentException

Header value cannot be null

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Solutions on the web14404

  • Header value cannot be null
  • Header value must not be null
  • Header value must not be null
  • Stack trace

    • java.lang.IllegalArgumentException: Header value cannot be null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:83) at org.codehaus.groovy.reflection.CachedConstructor.doConstructorInvoke(CachedConstructor.java:77) at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrap.callConstructor(ConstructorSite.java:84) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:60) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:235) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:247) at io.restassured.internal.assertion.AssertParameter.notNull(AssertParameter.groovy:26) at io.restassured.internal.assertion.AssertParameter$notNull.callStatic(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallStatic(CallSiteArray.java:56) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:194) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:214) at io.restassured.internal.RequestSpecificationImpl.header(RequestSpecificationImpl.groovy:866) at io.restassured.builder.RequestSpecBuilder.addHeader(RequestSpecBuilder.java:1012)

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