Linkage Checker Messages

Class XXX is not found

This message indicates that the class XXX is not found in the class path while some classes have references to the class.

Example message:

Class com.jcraft.jzlib.JZlib is not found;
  referenced by 4 class files
    io.grpc.netty.shaded.io.netty.handler.codec.spdy.SpdyHeaderBlockJZlibEncoder (io.grpc:grpc-netty-shaded:1.28.1)
    io.grpc.netty.shaded.io.netty.handler.codec.compression.JZlibEncoder (io.grpc:grpc-netty-shaded:1.28.1)
    io.grpc.netty.shaded.io.netty.handler.codec.compression.ZlibUtil (io.grpc:grpc-netty-shaded:1.28.1)
    io.grpc.netty.shaded.io.netty.handler.codec.compression.JZlibDecoder (io.grpc:grpc-netty-shaded:1.28.1)

The diagram below illustrates the invalid references marked as red.

(<artifact>) XXX's field YYY is not found

This message indicates that the class XXX in <artifact> does not have the field YYY, while some classes have references to the field.

Example message:

(io.grpc:grpc-core:1.29.0) io.grpc.internal.GrpcAttributes's field ATTR_LB_ADDRS is not found;
  referenced by 1 class file
    io.grpc.grpclb.GrpclbConstants (io.grpc:grpc-grpclb:1.28.1)

The diagram below illustrates the invalid references from the io.grpc.grpclb.GrpclbConstants to the missing field.