A 105-year-old Dutch-born cabaret star who went to court to have his name cleared after being accused of having entertained SS guards at the Dachau concentration camp in 1941 saw his case thrown out on Tuesday.Johannes "Jopie" Heesters, who shot to fame in the Nazi era and who made his entire career in the German-speaking world, had admitted to visiting Dachau but rejected accusations by cabaret historian Volker Kuehn that he performed there.Berlin tribunal judge Michael Mauck said Heesters had been unable to disprove the allegation.Kuehn, in an award-winning audio documentary "Mit den Woelfen geheult - Hitler und die Künstler" ("Howling with the Wolves -- Hitler and the Artists"), had quoted a former Dachau inmate who said he was in charge of raising the stage curtain at the start of the concentration camp performance.Heesters twice sought to perform in his native Holland. In 1963, the public greeting him with a Nazi salute as he attempted to sing in an Amsterdam theatre. And in February, another concert drew a wave of protests.